460:
448:
31:
40:
3189:
1440:
856:
2899:
3154:
2904:
3159:
2914:
1542:
3509:
3164:
1574:
808:
3319:
2944:
1943:
1486:
830:
3389:
2969:
2949:
2894:
1836:
1528:
1846:
1740:
3099:
3084:
2824:
1641:
3134:
2604:
1841:
3499:
3419:
3294:
3379:
3214:
2531:
3697:
2112:
2002:
424:
2226:
2212:
3369:
3299:
2919:
2198:
1493:
3414:
3254:
3054:
2994:
2205:
1997:
1933:
1590:
3374:
3354:
3339:
3329:
165:
576:
3484:
2849:
1002:
3384:
3314:
3239:
3019:
2934:
2007:
954:
3692:
3474:
3364:
3219:
3169:
3064:
2929:
2884:
2017:
1521:
981:
3119:
2964:
2679:
1992:
1651:
639:
3359:
3259:
3044:
1953:
709:
871:
2254:
2107:
1022:
816:
3074:
2495:
2327:
2311:
2290:
2138:
890:
3514:
2117:
1017:
2839:
2244:
1626:
1584:
1007:
676:
409:
2989:
2239:
2220:
2192:
1391:
1248:
789:
2249:
1569:
1129:
1122:
1012:
943:
3399:
3194:
1142:
262:
3349:
2624:
1636:
974:
3079:
2909:
1137:
3489:
3279:
1795:
1500:
1315:
401:
306:
931:
764:
3494:
2954:
1406:
1348:
472:
2879:
2834:
2305:
2284:
2012:
1765:
1433:
937:
3179:
3114:
3104:
2488:
2092:
1268:
967:
3504:
3464:
3394:
3249:
3224:
2149:
1613:
1426:
1341:
3702:
3454:
3444:
2619:
2082:
2077:
1555:
1447:
1419:
1195:
1188:
468:
258:
3550:
3459:
3404:
3344:
3174:
3009:
2784:
2586:
2181:
2097:
2066:
2047:
2032:
1910:
1903:
1716:
1561:
1334:
1304:
1278:
1153:
1111:
1105:
1098:
592:
436:
3244:
3039:
3029:
2984:
2123:
1896:
1455:
1401:
1396:
1160:
370:
459:
3687:
3434:
2979:
2481:
1923:
1605:
1507:
527:
The total stream channel length of
Northwest Branch and all tributaries is 75 miles (121 km).
452:
3615:
3129:
2799:
2794:
2714:
2319:
2087:
1670:
1368:
1327:
1291:
1086:
949:
587:
350:
82:
3600:
3595:
3590:
3570:
3209:
2939:
2804:
2739:
2561:
2408:
2383:
2297:
2027:
1987:
476:
432:
428:
397:
366:
298:
115:
717:
3666:
3661:
3424:
3034:
2829:
2729:
2659:
2634:
2614:
2609:
2443:
1550:
378:
358:
310:
147:
86:
3535:
451:
The
Northwest Branch underneath the Green and Yellow Lines of the Washington Metro near the
3646:
3631:
2959:
2844:
2704:
2674:
2599:
2403:
2398:
1856:
1579:
1116:
342:
330:
8:
3656:
3651:
3610:
3204:
3004:
2649:
1597:
1309:
898:
739:
447:
386:
354:
346:
3580:
3565:
3109:
2854:
2814:
2764:
2423:
2418:
2373:
2130:
1982:
1745:
488:
382:
334:
3641:
3575:
3199:
3094:
3049:
2999:
2924:
2809:
2551:
2438:
1948:
1478:
1469:
1462:
1167:
374:
362:
338:
329:
in
Montgomery County includes portions of the communities of Norwood, Bel Pre Manor,
78:
3324:
3274:
3234:
3229:
3089:
2974:
2779:
2744:
2526:
2428:
2388:
2273:
2162:
1928:
1851:
1730:
1646:
1385:
1222:
1027:
684:
512:
393:, is 53.5 square miles (139 km), with a resident population of about 254,000.
390:
3555:
3545:
3449:
3184:
3014:
2889:
2819:
2789:
2734:
2684:
2664:
2639:
2594:
2143:
2037:
1751:
1535:
1514:
1242:
1237:
1203:
484:
435:
into northern
Montgomery County as an unimproved hiking trail, connecting to the
420:
274:
135:
30:
3605:
3540:
3479:
3334:
3289:
3269:
2874:
2759:
2754:
2749:
2724:
2689:
2654:
2571:
2566:
2521:
2368:
1977:
1969:
1938:
1890:
1885:
1866:
1711:
1412:
1379:
1298:
1212:
504:
326:
282:
3681:
3585:
3429:
3059:
2769:
2709:
2699:
2669:
2644:
2629:
2576:
2516:
2433:
2378:
2358:
1963:
1918:
1822:
1812:
1696:
1691:
1631:
1321:
1262:
1232:
1147:
1047:
990:
654:
641:
413:
278:
180:
167:
58:
3560:
3309:
3264:
3124:
3024:
2413:
2234:
2022:
1880:
1802:
1722:
1621:
1256:
1037:
405:
3636:
3519:
3409:
3149:
3144:
3139:
2774:
2719:
2694:
2556:
2546:
2541:
2536:
2458:
2448:
1958:
1872:
1861:
1828:
1786:
1758:
1735:
1686:
1284:
1181:
1174:
765:"Rachel Carson Greenway & Northwest Branch Stream Valley Park Trails"
561:
242:
130:
612:
241:
Bachelors Forest, Longmeade, Bel Pre Creek, Wheaton Park, Lamberton Dr,
3469:
3439:
3304:
3069:
2453:
2393:
2042:
1817:
1772:
1681:
1273:
959:
500:
302:
294:
891:"Anacostia River Watershed Restoration Plan: Interim Report Framework"
2473:
2363:
2102:
1706:
1701:
480:
314:
270:
2157:
1042:
1032:
872:"Countywide Stream Protection Strategy: Northwest Branch Watershed"
266:
151:
119:
68:
301:. The stream flows southward for 21.5 miles (34.6 km) to its
396:
The middle section of the
Northwest Branch is referred to as the
389:. The total watershed area, including a small portion of land in
44:
Map of the
Anacostia River watershed showing the Northwest Branch
864:
Montgomery County
Department of Environmental Protection (MCDEP)
577:
List of crossings of the
Anacostia River § Northwest Branch
361:. The Prince George's County portion of the watershed includes
254:
39:
915:
920:
926:
617:
National
Hydrography Dataset high-resolution flowline data
297:
of the
Northwest Branch are located near the community of
946:- Prince George's County Dept. of Parks & Recreation
503:
fish spawn in the Northwest Branch watershed, including
419:
The majority of the Northwest Branch stream valley is a
425:
Maryland-National Capital Park and Planning Commission
483:
on the stream 0.5 miles (0.80 km) south of the
231:
Old Orchard, Bryants Nursery, Norwood, Rolling Stone
704:
702:
831:"Overhaul planned for two Anacostia River streams"
714:Anacostia Watershed Restoration Partnership (AWRP)
716:. Washington, DC. January 6, 2016. Archived from
416:, it is deliberately left rustic and unimproved.
3679:
699:
400:. It flows through a small gorge underneath the
253:is a 21.5-mile-long (34.6 km) free-flowing
923:- Detailed maps and photos of stream conditions
2180:
2065:
412:, near the home of noted environmental author
2489:
975:
732:
927:Anacostia Watershed Restoration Partnership
895:Anacostia Watershed Restoration Partnership
16:Anacostia River tributary in Maryland, U.S.
3698:Rivers of Prince George's County, Maryland
2496:
2482:
982:
968:
2348:
989:
487:parks. This area was a favorite spot of
467:Northwest Branch crosses the geological
458:
446:
1669:
1367:
1085:
3680:
2503:
3693:Rivers of Montgomery County, Maryland
2477:
2347:
2271:
2221:South Fork South Branch Potomac River
2193:North Fork South Branch Potomac River
2179:
2064:
1668:
1366:
1084:
963:
806:
463:The Northwest Branch at the Fall Line
2272:
1052:Streams shown as: Major tributaries
800:
897:. November 21, 2008. Archived from
807:Meyer, Eugene (November 21, 2009).
431:planned by M-NCPPC will extend the
408:. Located at the north end of the
13:
955:Northwest Branch Climbing Sections
940:- Montgomery County Dept. of Parks
934:- Montgomery County Dept. of Parks
857:"Northwest Branch Watershed Study"
605:
208:53.5 sq mi (139 km)
14:
3714:
916:Neighbors of the Northwest Branch
909:
681:Neighbors of the Northwest Branch
3285:Northwest Branch Anacostia River
3280:Northeast Branch Anacostia River
944:Anacostia Tributary Trail System
866:. Rockville, MD. March 17, 1997.
437:Anacostia Tributary Trail System
398:Rachel Carson Environmental Area
251:Northwest Branch Anacostia River
38:
29:
24:Northwest Branch Anacostia River
1349:Tuscarora Creek (West Virginia)
1130:South Fork Little Cacapon River
1123:North Fork Little Cacapon River
849:
809:"When Presidents Came to Visit"
423:, protected as parkland by the
823:
782:
757:
669:
631:
522:
159: • coordinates
1:
598:
479:regions, which forms a small
357:, Four Corners, Woodmoor and
93:Physical characteristics
570:
404:between Colesville Road and
320:
7:
2306:South Fork Shenandoah River
2285:North Fork Shenandoah River
950:Anacostia, Northwest Branch
921:Anacostia Watershed Society
710:"Northwest Branch: Profile"
581:
439:in Prince George's County.
200:21.5 mi (34.6 km)
143: • location
111: • location
10:
3719:
2182:South Branch Potomac River
2067:North Branch Potomac River
1407:Tuscarora Creek (Maryland)
1305:Little Conococheague Creek
1106:South Branch Potomac River
1099:North Branch Potomac River
593:Anacostia Tributary Trails
574:
531:Bachelors Forest Tributary
499:Several species of native
494:
442:
3624:
3528:
2863:
2585:
2509:
2354:
2343:
2280:
2267:
2188:
2175:
2073:
2060:
1677:
1664:
1402:Catoctin Creek (Maryland)
1397:Catoctin Creek (Virginia)
1375:
1362:
1093:
1080:
998:
543:Lockridge Drive Tributary
540:Lamberton Drive Tributary
537:Bryants Nursery Tributary
288:
235:
225:
217:
212:
204:
196:
157:
141:
129:
125:
109:
101:
97:
92:
74:
64:
54:
49:
37:
28:
23:
619:. U.S. Geological Survey
237: • right
901:on September 16, 2009.
769:Montgomery Parks/MNCPPC
655:39.146361°N 77.035639°W
588:List of Maryland rivers
555:Rolling Stone Tributary
227: • left
181:38.942832°N 76.944036°W
3010:Conococheague (Little)
2409:Jennings Randolph Lake
2384:Breckenridge Reservoir
2028:Popes Creek (Virginia)
1988:Popes Creek (Maryland)
1249:Little Tonoloway Creek
932:Northwest Branch Trail
740:"Sligo Creek: Profile"
566:Wheaton Park Tributary
558:Sandy Spring Tributary
477:Atlantic coastal plain
464:
456:
433:Northwest Branch Trail
429:Rachel Carson Greenway
410:Northwest Branch Trail
263:Prince George's County
2444:Stony River Reservoir
1551:Little Monocacy River
1392:Little Catoctin Creek
938:Wheaton Regional Park
660:39.146361; -77.035639
552:Old Orchard Tributary
462:
450:
277:, which flows to the
186:38.942832; -76.944036
3490:Tuscarora (Monocacy)
2900:Bear (Sideling Hill)
2404:Georgetown Reservoir
2399:Dalecarlia Reservoir
2349:Lakes and reservoirs
2003:Upper Machodoc Creek
1857:Little Hunting Creek
1580:Broad Run (Maryland)
1570:Broad Run (Virginia)
1117:Little Cacapon River
1068:subsubsubtributaries
1028:District of Columbia
509:Alosa pseudoharengus
3495:Tuscarora (Potomac)
3195:Little Falls Branch
2955:Broad (Susquehanna)
2905:Bear (Youghiogheny)
2625:Blackwater (Little)
2605:Annemessex (Little)
1671:Tidal Potomac River
1652:Little Falls Branch
1598:Little Seneca Creek
1369:Lower Potomac River
1310:Conococheague Creek
1143:Sideling Hill Creek
1087:Upper Potomac River
1061:(subsubtributaries)
677:"Mission Statement"
651: /
546:Longmeade Tributary
213:Basin features
177: /
3703:Rivers of Maryland
3500:Tuscarora (Little)
3160:Indian (Anacostia)
2835:Wicomico (Potomac)
2504:Waters of Maryland
2424:McMillan Reservoir
2419:Little Seneca Lake
2374:Lake Bernard Frank
2131:Little Wills Creek
1983:Port Tobacco River
1746:Washington Channel
1614:Great Seneca Creek
903:Report to Congress
790:"Northwest Branch"
720:on January 6, 2016
613:"The National Map"
489:Theodore Roosevelt
465:
457:
317:of the Anacostia.
3675:
3674:
3571:Jennings Randolph
3165:Indian (Patuxent)
3000:Collington Branch
2990:Catoctin (Little)
2730:Monocacy (Little)
2660:Choptank (Little)
2471:
2470:
2467:
2466:
2439:Sleepy Creek Lake
2339:
2338:
2263:
2262:
2171:
2170:
2056:
2055:
1949:Chopawamsic Creek
1660:
1659:
1494:Big Hunting Creek
1479:Little Pipe Creek
1463:Double Pipe Creek
1358:
1357:
1168:Capon Springs Run
1138:Fifteenmile Creek
813:Bethesda Magazine
794:DC Great Outdoors
549:Norwood Tributary
259:Montgomery County
248:
247:
3710:
3465:Town (Tred Avon)
3415:Soapstone Branch
3395:Seneca (Potomac)
3255:Minnehaha Branch
3155:Hunting (Little)
2945:Broad (Choptank)
2940:Bread and Cheese
2705:Magothy (Little)
2600:Annemessex (Big)
2498:
2491:
2484:
2475:
2474:
2429:Mount Storm Lake
2389:Brushy Fork Lake
2345:
2344:
2330:
2323:
2314:
2300:
2293:
2274:Shenandoah River
2269:
2268:
2229:
2215:
2208:
2201:
2177:
2176:
2163:Green Spring Run
2152:
2133:
2126:
2062:
2061:
1998:Piccowaxen Creek
1972:
1934:Chicamuxen Creek
1929:Mattawoman Creek
1913:
1906:
1899:
1875:
1852:Piscataway Creek
1831:
1805:
1798:
1796:Northeast Branch
1789:
1782:
1780:Northwest Branch
1775:
1768:
1761:
1731:Boundary Channel
1725:
1666:
1665:
1647:Cabin John Creek
1616:
1609:
1600:
1593:
1591:Dry Seneca Creek
1564:
1545:
1538:
1531:
1524:
1517:
1510:
1503:
1496:
1489:
1482:
1473:
1459:
1450:
1443:
1436:
1429:
1422:
1386:Shenandoah River
1364:
1363:
1351:
1344:
1337:
1330:
1318:
1301:
1294:
1287:
1265:
1251:
1227:
1223:Bearwallow Creek
1216:
1207:
1198:
1191:
1184:
1177:
1170:
1163:
1156:
1132:
1125:
1082:
1081:
1071:
1062:
1057:
1003:Cities and towns
984:
977:
970:
961:
960:
905:
886:
884:
882:
867:
861:
843:
842:
840:
838:
827:
821:
820:
819:on July 4, 2020.
815:. Archived from
804:
798:
797:
786:
780:
779:
777:
775:
761:
755:
754:
752:
750:
736:
730:
729:
727:
725:
706:
697:
696:
694:
692:
687:on July 27, 2011
683:. Archived from
673:
667:
666:
665:
663:
662:
661:
656:
652:
649:
648:
647:
644:
635:
629:
628:
626:
624:
609:
517:Alosa aestivalis
513:blueback herring
453:West Hyattsville
391:Washington, D.C.
307:Northeast Branch
238:
228:
192:
191:
189:
188:
187:
182:
178:
175:
174:
173:
170:
112:
42:
33:
21:
20:
3718:
3717:
3713:
3712:
3711:
3709:
3708:
3707:
3688:Anacostia River
3678:
3677:
3676:
3671:
3620:
3524:
3455:Town (Patuxent)
3390:Seneca (Middle)
3355:Rockburn Branch
3330:Plumtree Branch
2950:Broad (Potomac)
2895:Bear (Patapsco)
2867:
2865:
2859:
2581:
2505:
2502:
2472:
2463:
2350:
2335:
2326:
2317:
2310:
2296:
2289:
2276:
2259:
2225:
2211:
2204:
2197:
2184:
2167:
2148:
2144:Patterson Creek
2129:
2122:
2069:
2052:
2038:Yeocomico River
2033:St. Marys River
1968:
1909:
1902:
1895:
1871:
1827:
1801:
1794:
1785:
1778:
1771:
1764:
1757:
1752:Anacostia River
1721:
1673:
1656:
1612:
1603:
1596:
1589:
1560:
1541:
1536:Ballenger Creek
1534:
1527:
1520:
1515:Linganore Creek
1513:
1506:
1501:Tuscarora Creek
1499:
1492:
1485:
1476:
1467:
1453:
1446:
1439:
1432:
1425:
1418:
1371:
1354:
1347:
1340:
1333:
1326:
1314:
1297:
1290:
1283:
1261:
1247:
1243:Tonoloway Creek
1238:Warm Spring Run
1219:
1210:
1204:Grassy Lick Run
1201:
1194:
1187:
1180:
1173:
1166:
1159:
1152:
1128:
1121:
1089:
1076:
1065:
1060:
1055:
994:
988:
912:
889:
880:
878:
870:
859:
855:
852:
847:
846:
836:
834:
829:
828:
824:
805:
801:
788:
787:
783:
773:
771:
763:
762:
758:
748:
746:
738:
737:
733:
723:
721:
708:
707:
700:
690:
688:
675:
674:
670:
659:
657:
653:
650:
645:
642:
640:
638:
637:
636:
632:
622:
620:
611:
610:
606:
601:
584:
579:
573:
525:
497:
485:Burnt Mills Dam
445:
427:(M-NCPPC). The
421:riparian buffer
402:Capital Beltway
371:University Park
323:
291:
275:Anacostia River
236:
226:
185:
183:
179:
176:
171:
168:
166:
164:
163:
160:
144:
136:Anacostia River
110:
45:
17:
12:
11:
5:
3716:
3706:
3705:
3700:
3695:
3690:
3673:
3672:
3670:
3669:
3664:
3659:
3654:
3649:
3644:
3639:
3634:
3628:
3626:
3622:
3621:
3619:
3618:
3613:
3608:
3606:Schumaker Pond
3603:
3598:
3593:
3588:
3583:
3578:
3573:
3568:
3563:
3558:
3553:
3548:
3543:
3538:
3532:
3530:
3526:
3525:
3523:
3522:
3517:
3512:
3507:
3502:
3497:
3492:
3487:
3482:
3477:
3472:
3467:
3462:
3460:Town (Potomac)
3457:
3452:
3447:
3442:
3437:
3432:
3427:
3422:
3417:
3412:
3407:
3402:
3397:
3392:
3387:
3382:
3377:
3372:
3367:
3362:
3357:
3352:
3347:
3345:Rock (Potomac)
3342:
3337:
3332:
3327:
3322:
3317:
3312:
3307:
3302:
3297:
3292:
3287:
3282:
3277:
3272:
3267:
3262:
3257:
3252:
3247:
3242:
3237:
3232:
3227:
3222:
3217:
3212:
3207:
3202:
3197:
3192:
3187:
3182:
3177:
3172:
3167:
3162:
3157:
3152:
3147:
3142:
3137:
3132:
3127:
3122:
3117:
3112:
3107:
3102:
3097:
3092:
3087:
3082:
3077:
3072:
3067:
3062:
3057:
3052:
3047:
3042:
3037:
3032:
3027:
3022:
3017:
3012:
3007:
3002:
2997:
2992:
2987:
2982:
2977:
2972:
2967:
2962:
2957:
2952:
2947:
2942:
2937:
2932:
2927:
2922:
2917:
2912:
2907:
2902:
2897:
2892:
2887:
2882:
2877:
2871:
2869:
2861:
2860:
2858:
2857:
2852:
2847:
2842:
2837:
2832:
2827:
2822:
2817:
2812:
2807:
2802:
2797:
2792:
2787:
2782:
2777:
2772:
2767:
2762:
2757:
2752:
2747:
2742:
2737:
2732:
2727:
2722:
2717:
2712:
2707:
2702:
2697:
2692:
2687:
2682:
2677:
2672:
2667:
2662:
2657:
2652:
2647:
2642:
2637:
2632:
2627:
2622:
2617:
2612:
2607:
2602:
2597:
2591:
2589:
2583:
2582:
2580:
2579:
2574:
2569:
2564:
2559:
2554:
2549:
2544:
2539:
2534:
2529:
2524:
2519:
2513:
2511:
2510:Bays/estuaries
2507:
2506:
2501:
2500:
2493:
2486:
2478:
2469:
2468:
2465:
2464:
2462:
2461:
2456:
2451:
2446:
2441:
2436:
2431:
2426:
2421:
2416:
2411:
2406:
2401:
2396:
2391:
2386:
2381:
2376:
2371:
2369:Lake Artemesia
2366:
2361:
2355:
2352:
2351:
2341:
2340:
2337:
2336:
2334:
2333:
2332:
2331:
2324:
2315:
2303:
2302:
2301:
2294:
2281:
2278:
2277:
2265:
2264:
2261:
2260:
2258:
2257:
2252:
2247:
2242:
2237:
2232:
2231:
2230:
2218:
2217:
2216:
2209:
2202:
2189:
2186:
2185:
2173:
2172:
2169:
2168:
2166:
2165:
2160:
2155:
2154:
2153:
2141:
2136:
2135:
2134:
2127:
2115:
2110:
2105:
2100:
2095:
2090:
2085:
2080:
2074:
2071:
2070:
2058:
2057:
2054:
2053:
2051:
2050:
2045:
2040:
2035:
2030:
2025:
2020:
2015:
2013:Wicomico River
2010:
2005:
2000:
1995:
1990:
1985:
1980:
1978:Nanjemoy Creek
1975:
1974:
1973:
1970:Accokeek Creek
1961:
1956:
1951:
1946:
1941:
1939:Quantico Creek
1936:
1931:
1926:
1921:
1916:
1915:
1914:
1907:
1900:
1891:Occoquan River
1888:
1886:Pomonkey Creek
1883:
1878:
1877:
1876:
1867:Accotink Creek
1864:
1859:
1854:
1849:
1844:
1839:
1834:
1833:
1832:
1820:
1815:
1810:
1809:
1808:
1807:
1806:
1792:
1791:
1790:
1776:
1769:
1762:
1748:
1743:
1738:
1733:
1728:
1727:
1726:
1714:
1712:Foundry Branch
1709:
1704:
1699:
1694:
1689:
1684:
1678:
1675:
1674:
1662:
1661:
1658:
1657:
1655:
1654:
1649:
1644:
1639:
1634:
1629:
1624:
1619:
1618:
1617:
1610:
1601:
1594:
1582:
1577:
1572:
1567:
1566:
1565:
1553:
1548:
1547:
1546:
1539:
1532:
1525:
1518:
1511:
1504:
1497:
1490:
1483:
1474:
1470:Big Pipe Creek
1465:
1460:
1451:
1444:
1437:
1430:
1423:
1413:Monocacy River
1409:
1404:
1399:
1394:
1389:
1382:
1380:Antietam Creek
1376:
1373:
1372:
1360:
1359:
1356:
1355:
1353:
1352:
1345:
1338:
1331:
1324:
1319:
1312:
1307:
1302:
1299:Tilhance Creek
1295:
1288:
1281:
1276:
1271:
1266:
1259:
1254:
1253:
1252:
1240:
1235:
1230:
1229:
1228:
1217:
1213:Tearcoat Creek
1208:
1199:
1192:
1185:
1178:
1171:
1164:
1157:
1145:
1140:
1135:
1134:
1133:
1126:
1114:
1109:
1102:
1094:
1091:
1090:
1078:
1077:
1075:
1074:
1073:
1072:
1063:
1058:
1056:subtributaries
1050:
1045:
1040:
1035:
1030:
1025:
1020:
1015:
1010:
1005:
999:
996:
995:
987:
986:
979:
972:
964:
958:
957:
952:
947:
941:
935:
929:
924:
918:
911:
910:External links
908:
907:
906:
887:
868:
851:
848:
845:
844:
822:
799:
781:
756:
731:
698:
668:
630:
603:
602:
600:
597:
596:
595:
590:
583:
580:
575:Main article:
572:
569:
568:
567:
564:
559:
556:
553:
550:
547:
544:
541:
538:
535:
532:
524:
521:
496:
493:
444:
441:
322:
319:
290:
287:
283:Chesapeake Bay
246:
245:
239:
233:
232:
229:
223:
222:
219:
215:
214:
210:
209:
206:
202:
201:
198:
194:
193:
161:
158:
155:
154:
145:
142:
139:
138:
133:
127:
126:
123:
122:
113:
107:
106:
103:
99:
98:
95:
94:
90:
89:
76:
72:
71:
66:
62:
61:
56:
52:
51:
47:
46:
43:
35:
34:
26:
25:
15:
9:
6:
4:
3:
2:
3715:
3704:
3701:
3699:
3696:
3694:
3691:
3689:
3686:
3685:
3683:
3668:
3665:
3663:
3660:
3658:
3655:
3653:
3650:
3648:
3645:
3643:
3640:
3638:
3635:
3633:
3630:
3629:
3627:
3623:
3617:
3614:
3612:
3611:Woodward Pond
3609:
3607:
3604:
3602:
3599:
3597:
3594:
3592:
3589:
3587:
3584:
3582:
3581:Little Seneca
3579:
3577:
3574:
3572:
3569:
3567:
3566:Bernard Frank
3564:
3562:
3559:
3557:
3554:
3552:
3549:
3547:
3544:
3542:
3539:
3537:
3534:
3533:
3531:
3527:
3521:
3518:
3516:
3513:
3511:
3508:
3506:
3503:
3501:
3498:
3496:
3493:
3491:
3488:
3486:
3483:
3481:
3478:
3476:
3473:
3471:
3468:
3466:
3463:
3461:
3458:
3456:
3453:
3451:
3448:
3446:
3443:
3441:
3438:
3436:
3435:Tenmile Creek
3433:
3431:
3428:
3426:
3423:
3421:
3418:
3416:
3413:
3411:
3408:
3406:
3403:
3401:
3400:Sideling Hill
3398:
3396:
3393:
3391:
3388:
3386:
3383:
3381:
3378:
3376:
3373:
3371:
3368:
3366:
3363:
3361:
3358:
3356:
3353:
3351:
3348:
3346:
3343:
3341:
3338:
3336:
3333:
3331:
3328:
3326:
3323:
3321:
3318:
3316:
3313:
3311:
3308:
3306:
3303:
3301:
3298:
3296:
3293:
3291:
3288:
3286:
3283:
3281:
3278:
3276:
3273:
3271:
3268:
3266:
3263:
3261:
3258:
3256:
3253:
3251:
3248:
3246:
3243:
3241:
3238:
3236:
3233:
3231:
3228:
3226:
3223:
3221:
3218:
3216:
3213:
3211:
3208:
3206:
3205:Little Seneca
3203:
3201:
3198:
3196:
3193:
3191:
3188:
3186:
3183:
3181:
3178:
3176:
3173:
3171:
3168:
3166:
3163:
3161:
3158:
3156:
3153:
3151:
3148:
3146:
3143:
3141:
3138:
3136:
3133:
3131:
3128:
3126:
3123:
3121:
3118:
3116:
3113:
3111:
3108:
3106:
3103:
3101:
3098:
3096:
3093:
3091:
3088:
3086:
3083:
3081:
3078:
3076:
3073:
3071:
3068:
3066:
3063:
3061:
3058:
3056:
3053:
3051:
3048:
3046:
3043:
3041:
3038:
3036:
3033:
3031:
3028:
3026:
3023:
3021:
3018:
3016:
3013:
3011:
3008:
3006:
3005:Conococheague
3003:
3001:
2998:
2996:
2993:
2991:
2988:
2986:
2983:
2981:
2978:
2976:
2973:
2971:
2968:
2966:
2963:
2961:
2958:
2956:
2953:
2951:
2948:
2946:
2943:
2941:
2938:
2936:
2935:Bonnie Branch
2933:
2931:
2928:
2926:
2923:
2921:
2918:
2916:
2913:
2911:
2908:
2906:
2903:
2901:
2898:
2896:
2893:
2891:
2888:
2886:
2883:
2881:
2878:
2876:
2873:
2872:
2870:
2862:
2856:
2853:
2851:
2848:
2846:
2843:
2841:
2838:
2836:
2833:
2831:
2828:
2826:
2823:
2821:
2818:
2816:
2813:
2811:
2808:
2806:
2803:
2801:
2798:
2796:
2793:
2791:
2788:
2786:
2783:
2781:
2778:
2776:
2773:
2771:
2768:
2766:
2763:
2761:
2758:
2756:
2753:
2751:
2748:
2746:
2743:
2741:
2738:
2736:
2733:
2731:
2728:
2726:
2723:
2721:
2718:
2716:
2713:
2711:
2708:
2706:
2703:
2701:
2698:
2696:
2693:
2691:
2688:
2686:
2683:
2681:
2678:
2676:
2673:
2671:
2668:
2666:
2663:
2661:
2658:
2656:
2653:
2651:
2650:Chicamacomico
2648:
2646:
2643:
2641:
2638:
2636:
2633:
2631:
2628:
2626:
2623:
2621:
2618:
2616:
2613:
2611:
2608:
2606:
2603:
2601:
2598:
2596:
2593:
2592:
2590:
2588:
2584:
2578:
2575:
2573:
2570:
2568:
2565:
2563:
2560:
2558:
2555:
2553:
2552:Isle of Wight
2550:
2548:
2545:
2543:
2540:
2538:
2535:
2533:
2530:
2528:
2525:
2523:
2520:
2518:
2515:
2514:
2512:
2508:
2499:
2494:
2492:
2487:
2485:
2480:
2479:
2476:
2460:
2457:
2455:
2452:
2450:
2447:
2445:
2442:
2440:
2437:
2435:
2434:Lake Needwood
2432:
2430:
2427:
2425:
2422:
2420:
2417:
2415:
2412:
2410:
2407:
2405:
2402:
2400:
2397:
2395:
2392:
2390:
2387:
2385:
2382:
2380:
2379:Lake Braddock
2377:
2375:
2372:
2370:
2367:
2365:
2362:
2360:
2359:Lake Accotink
2357:
2356:
2353:
2346:
2342:
2329:
2325:
2321:
2316:
2313:
2309:
2308:
2307:
2304:
2299:
2295:
2292:
2288:
2287:
2286:
2283:
2282:
2279:
2275:
2270:
2266:
2256:
2255:Buffalo Creek
2253:
2251:
2248:
2246:
2243:
2241:
2238:
2236:
2233:
2228:
2224:
2223:
2222:
2219:
2214:
2210:
2207:
2203:
2200:
2196:
2195:
2194:
2191:
2190:
2187:
2183:
2178:
2174:
2164:
2161:
2159:
2156:
2151:
2147:
2146:
2145:
2142:
2140:
2137:
2132:
2128:
2125:
2121:
2120:
2119:
2116:
2114:
2111:
2109:
2108:Limestone Run
2106:
2104:
2101:
2099:
2096:
2094:
2093:Georges Creek
2091:
2089:
2086:
2084:
2081:
2079:
2076:
2075:
2072:
2068:
2063:
2059:
2049:
2046:
2044:
2041:
2039:
2036:
2034:
2031:
2029:
2026:
2024:
2021:
2019:
2016:
2014:
2011:
2009:
2008:Cuckold Creek
2006:
2004:
2001:
1999:
1996:
1994:
1991:
1989:
1986:
1984:
1981:
1979:
1976:
1971:
1967:
1966:
1965:
1964:Potomac Creek
1962:
1960:
1957:
1955:
1952:
1950:
1947:
1945:
1942:
1940:
1937:
1935:
1932:
1930:
1927:
1925:
1924:Powells Creek
1922:
1920:
1919:Neabsco Creek
1917:
1912:
1908:
1905:
1901:
1898:
1894:
1893:
1892:
1889:
1887:
1884:
1882:
1879:
1874:
1870:
1869:
1868:
1865:
1863:
1860:
1858:
1855:
1853:
1850:
1848:
1845:
1843:
1840:
1838:
1835:
1830:
1826:
1825:
1824:
1823:Hunting Creek
1821:
1819:
1816:
1814:
1813:Four Mile Run
1811:
1804:
1800:
1799:
1797:
1793:
1788:
1784:
1783:
1781:
1777:
1774:
1770:
1767:
1763:
1760:
1756:
1755:
1754:
1753:
1749:
1747:
1744:
1742:
1739:
1737:
1734:
1732:
1729:
1724:
1720:
1719:
1718:
1715:
1713:
1710:
1708:
1705:
1703:
1700:
1698:
1697:Maddox Branch
1695:
1693:
1692:Donaldson Run
1690:
1688:
1685:
1683:
1680:
1679:
1676:
1672:
1667:
1663:
1653:
1650:
1648:
1645:
1643:
1640:
1638:
1635:
1633:
1632:Difficult Run
1630:
1628:
1625:
1623:
1620:
1615:
1611:
1607:
1606:Tenmile Creek
1602:
1599:
1595:
1592:
1588:
1587:
1586:
1583:
1581:
1578:
1576:
1575:Sugarland Run
1573:
1571:
1568:
1563:
1559:
1558:
1557:
1554:
1552:
1549:
1544:
1543:Bennett Creek
1540:
1537:
1533:
1530:
1526:
1523:
1519:
1516:
1512:
1509:
1508:Carroll Creek
1505:
1502:
1498:
1495:
1491:
1488:
1484:
1480:
1475:
1471:
1466:
1464:
1461:
1457:
1452:
1449:
1445:
1442:
1438:
1435:
1434:Alloway Creek
1431:
1428:
1424:
1421:
1417:
1416:
1415:
1414:
1410:
1408:
1405:
1403:
1400:
1398:
1395:
1393:
1390:
1388:
1387:
1383:
1381:
1378:
1377:
1374:
1370:
1365:
1361:
1350:
1346:
1343:
1339:
1336:
1332:
1329:
1325:
1323:
1322:Opequon Creek
1320:
1317:
1313:
1311:
1308:
1306:
1303:
1300:
1296:
1293:
1289:
1286:
1282:
1280:
1277:
1275:
1272:
1270:
1269:Licking Creek
1267:
1264:
1263:Meadow Branch
1260:
1258:
1255:
1250:
1246:
1245:
1244:
1241:
1239:
1236:
1234:
1233:Sir Johns Run
1231:
1225:
1224:
1218:
1214:
1209:
1205:
1200:
1197:
1193:
1190:
1186:
1183:
1179:
1176:
1172:
1169:
1165:
1162:
1158:
1155:
1151:
1150:
1149:
1148:Cacapon River
1146:
1144:
1141:
1139:
1136:
1131:
1127:
1124:
1120:
1119:
1118:
1115:
1113:
1110:
1108:
1107:
1103:
1101:
1100:
1096:
1095:
1092:
1088:
1083:
1079:
1069:
1064:
1059:
1054:
1053:
1051:
1049:
1048:West Virginia
1046:
1044:
1041:
1039:
1036:
1034:
1031:
1029:
1026:
1024:
1023:Variant names
1021:
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1011:
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1004:
1001:
1000:
997:
992:
991:Potomac River
985:
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869:
865:
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833:. Bay Journal
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826:
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536:
534:Bel Pre Creek
533:
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414:Rachel Carson
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364:
360:
356:
352:
351:Silver Spring
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284:
280:
279:Potomac River
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83:Silver Spring
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59:United States
57:
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36:
32:
27:
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19:
3616:Youghiogheny
3576:Kittamaqundi
3546:Buckel's Bog
3505:Watts Branch
3310:Paint Branch
3284:
3265:Muddy Branch
3190:Little Falls
3125:Gwynns Falls
3115:Green Branch
3110:Great Seneca
2885:Arundel Cove
2855:Youghiogheny
2815:Transquaking
2765:Port Tobacco
2527:Chincoteague
2414:Kingman Lake
2320:Middle River
2235:Lunice Creek
2227:Kettle Creek
2213:Seneca Creek
2139:Evitts Creek
2088:Savage River
2023:Mattox Creek
2018:Monroe Creek
1944:Little Creek
1881:Pohick Creek
1842:Henson Creek
1803:Paint Branch
1779:
1766:Watts Branch
1750:
1723:Piney Branch
1627:Watts Branch
1622:Muddy Branch
1585:Seneca Creek
1562:Little River
1522:Israel Creek
1456:Middle Creek
1411:
1384:
1342:Middle Creek
1328:Abrams Creek
1292:Isaacs Creek
1257:Sleepy Creek
1221:
1104:
1097:
1067:
1038:Pennsylvania
902:
899:the original
894:
879:. Retrieved
875:
863:
850:Bibliography
835:. Retrieved
825:
817:the original
812:
802:
793:
784:
774:November 14,
772:. Retrieved
768:
759:
747:. Retrieved
743:
734:
722:. Retrieved
718:the original
713:
689:. Retrieved
685:the original
680:
671:
646:77°02′08.3″W
643:39°08′46.9″N
633:
621:. Retrieved
616:
607:
526:
516:
508:
498:
471:between the
466:
418:
406:Adelphi Mill
395:
367:Langley Park
324:
313:to form the
299:Sandy Spring
292:
250:
249:
116:Sandy Spring
18:
3667:Triadelphia
3662:Rocky Gorge
3601:Parker Pond
3591:Quarry Lake
3520:Winters Run
3510:Western Run
3370:St. Leonard
3300:Otter Point
3250:Mill Branch
3200:Little Pipe
3145:Herring Run
3140:Herbert Run
3095:Frog Mortar
3080:Fifteenmile
3050:Double Pipe
2920:Big Hunting
2810:Susquehanna
2695:Jones Falls
2459:Warden Lake
2449:Tidal Basin
2328:South River
2312:North River
2298:Smith Creek
2291:Cedar Creek
2199:Laurel Fork
2124:Brush Creek
2118:Wills Creek
2113:Warrior Run
2083:Abram Creek
2078:Stony River
1993:Gambo Creek
1959:Aquia Creek
1873:Daniels Run
1862:Dogue Creek
1837:Broad Creek
1829:Cameron Run
1787:Sligo Creek
1759:Pope Branch
1736:Tiber Creek
1687:Gulf Branch
1556:Goose Creek
1487:Owens Creek
1441:Piney Creek
1427:Marsh Creek
1285:Hogue Creek
1196:North River
1189:Mill Branch
1182:Edwards Run
1175:Dillons Run
1018:Tributaries
658: /
562:Sligo Creek
523:Tributaries
379:Hyattsville
359:Takoma Park
333:, Layhill,
311:Bladensburg
243:Sligo Creek
218:Tributaries
184: /
148:Bladensburg
87:Hyattsville
3682:Categories
3647:Loch Raven
3632:Dalecarlia
3625:Reservoirs
3556:Deep Creek
3551:Centennial
3536:Allen Pond
3470:Towson Run
3440:Thoms Cove
3360:Roland Run
3325:Piscataway
3275:Nassawango
3260:Moores Run
3235:Mattawoman
3230:Marshyhope
3175:Laurel Run
3090:Flintstone
3070:Edge Creek
3055:Dry Seneca
3045:Dorsey Run
2995:Chicamuxen
2975:Cabin John
2780:St. Martin
2745:North East
2620:Blackwater
2572:Sinepuxent
2532:Curtis Bay
2522:Chesapeake
2454:Trout Pond
2394:Burke Lake
2245:Mill Creek
2206:Mill Creek
2150:Mill Creek
2098:Laurel Run
2048:Hull Creek
2043:Coan River
1954:Tank Creek
1847:Swan Creek
1818:Oxon Creek
1773:Hickey Run
1717:Rock Creek
1682:Pimmit Run
1529:Bush Creek
1448:Toms Creek
1420:Rock Creek
1335:Mill Creek
1316:Back Creek
1279:Back Creek
1274:Cherry Run
1154:Lost River
1112:Town Creek
881:August 30,
837:August 23,
691:August 31,
623:August 15,
599:References
501:anadromous
343:Hillandale
331:Colesville
303:confluence
295:headwaters
269:. It is a
205:Basin size
172:76°56′39″W
169:38°56′34″N
3657:Prettyboy
3652:Piney Run
3541:Artemesia
3450:Tonoloway
3425:Stony Run
3405:Slaughter
3375:Saltpeter
3340:Principio
3185:Linganore
3015:Conowingo
2960:Broad Run
2910:Beaverdam
2890:Ballenger
2820:Tred Avon
2790:Sassafras
2785:St. Marys
2735:Nanticoke
2685:Gunpowder
2665:Christina
2640:Casselman
2595:Anacostia
2517:Assawoman
2364:Lake Anne
2103:New Creek
1911:Cedar Run
1904:Broad Run
1741:Rocky Run
1707:Spout Run
1702:Windy Run
1161:Trout Run
571:Crossings
481:waterfall
469:fall line
387:Brentwood
355:Kemp Mill
347:White Oak
327:watershed
321:Watershed
315:main stem
305:with the
271:tributary
3586:Needwood
3485:Turville
3480:Tuckahoe
3350:Rock Run
3335:Pomonkey
3290:Octoraro
3270:Nanjemoy
3040:Dividing
3030:Deep Run
2985:Catoctin
2925:Big Pipe
2875:Antietam
2864:Creeks,
2850:Wye East
2840:Wicomico
2760:Pocomoke
2755:Patuxent
2750:Patapsco
2725:Monocacy
2690:Hawlings
2655:Choptank
2567:Pocomoke
2240:Mill Run
2158:Dans Run
1897:Bull Run
1642:Dead Run
1637:Rock Run
1043:Virginia
1033:Maryland
749:June 21,
724:June 21,
582:See also
473:Piedmont
383:Avondale
335:Glenmont
281:and the
267:Maryland
120:Maryland
69:Maryland
50:Location
3642:Liberty
3561:Elkhorn
3430:Swanson
3385:Sellman
3315:Parsons
3240:Meekins
3180:Licking
3105:Georges
3100:Furnace
3085:Fishing
3060:Dueling
3020:Cuckold
2980:Carroll
2915:Bennett
2880:Alloway
2868:streams
2825:Warwick
2770:Potomac
2710:Manokin
2700:Magothy
2670:Corsica
2645:Chester
2630:Bohemia
2577:Tangier
2562:Newport
2557:Mallows
2547:Herring
2542:Fishing
2537:Eastern
2250:Big Run
1013:Islands
1008:Bridges
505:alewife
495:Ecology
455:station
443:Geology
375:Chillum
363:Adelphi
339:Wheaton
273:of the
79:Wheaton
55:Country
3637:Habeeb
3596:Roland
3475:Trappe
3365:Romney
3245:Middle
3220:Marley
3170:Israel
3135:Henson
3130:Harris
3075:Evitts
3065:Dundee
3025:Curtis
2930:Bodkin
2800:Severn
2795:Savage
2715:Middle
2587:Rivers
993:system
511:) and
289:Course
255:stream
221:
197:Length
105:
102:Source
75:Cities
3529:Lakes
3515:Wills
3420:Stony
3410:Sligo
3320:Piney
3295:Owens
3225:Marsh
3210:Lyons
3150:Honga
3120:Greys
2965:Budds
2866:runs,
2805:South
2775:Rhode
2740:North
2720:Miles
2680:Front
876:MCDEP
860:(PDF)
309:near
131:Mouth
65:State
3445:Toms
3380:Sams
3305:Oxon
3215:Main
3035:Deer
2970:Bush
2830:West
2635:Bush
2615:Bird
2610:Back
883:2009
839:2024
776:2009
751:2010
744:AWRP
726:2010
693:2009
625:2011
475:and
385:and
325:The
293:The
261:and
2845:Wye
2675:Elk
519:).
257:in
3684::
893:.
874:.
862:.
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792:.
767:.
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712:.
701:^
679:.
615:.
491:.
381:,
377:,
373:,
369:,
365:,
353:,
349:,
345:,
341:,
337:,
285:.
265:,
152:MD
150:,
118:,
85:,
81:,
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