33:
40:
269:
which has a surface area of 20 km (7.7 sq mi). The dam itself is made of 8,000 m (10,000 cu yd) of concrete and has a reinforced
246:
185:
442:
390:
83:
315:
281:
downstream. A saddle dam on the north side of the
Mantosoa reservoir regulates water flow into the Mandraka River for the
32:
437:
422:
432:
394:
8:
427:
376:
347:
322:
363:
294:
258:
71:
265:. The dam was constructed by French contractors between 1937 and 1938. It creates
278:
416:
274:
266:
98:
85:
282:
242:
250:
262:
270:
254:
67:
273:
design. Water released from the dam supplies a regulated flow to
316:"The French civil engineering works in the world dams 1860-2012"
172:
160:
414:
224:125,000,000 m (101,000 acre⋅ft)
443:20th-century architecture in Madagascar
415:
47:Location of Mantasoa Dam in Madagascar
39:
13:
16:Dam in Mantasoa, Analamanga Region
14:
454:
232:20 km (7.7 sq mi)
38:
31:
383:
340:
308:
1:
301:
297:– on the Varahina South River
7:
288:
144:; 86 years ago
10:
459:
228:
220:
212:
207:
199:
191:
181:
171:
166:
156:
138:
130:
122:
114:
99:19.0178861°S 47.8498417°E
77:
63:
55:
26:
21:
393:. UN FAO. Archived from
203:122 m (400 ft)
131:Construction began
104:-19.0178861; 47.8498417
438:Dams completed in 1938
321:. IESF. Archived from
195:20 m (66 ft)
277:power station at the
249:, a tributary of the
173:Type of dam
391:"Dams of Madagascar"
247:Varahina-North River
186:Varahina-North River
397:on 5 September 2013
348:"Mantasoa and lake"
221:Total capacity
118:Power, water supply
95: /
423:Dams in Madagascar
295:Tsiazompaniry Dam
259:Analamanga Region
236:
235:
229:Surface area
167:Dam and spillways
139:Opening date
72:Analamanga Region
450:
407:
406:
404:
402:
387:
381:
380:
374:
369:
367:
359:
357:
355:
344:
338:
337:
335:
333:
328:on 18 March 2014
327:
320:
312:
152:
150:
145:
110:
109:
107:
106:
105:
100:
96:
93:
92:
91:
88:
42:
41:
35:
19:
18:
458:
457:
453:
452:
451:
449:
448:
447:
413:
412:
411:
410:
400:
398:
389:
388:
384:
372:
370:
361:
360:
353:
351:
346:
345:
341:
331:
329:
325:
318:
314:
313:
309:
304:
291:
279:Antelomita Dams
148:
146:
143:
103:
101:
97:
94:
89:
86:
84:
82:
81:
51:
50:
49:
48:
45:
44:
43:
17:
12:
11:
5:
456:
446:
445:
440:
435:
430:
425:
409:
408:
382:
339:
306:
305:
303:
300:
299:
298:
290:
287:
234:
233:
230:
226:
225:
222:
218:
217:
214:
210:
209:
205:
204:
201:
197:
196:
193:
189:
188:
183:
179:
178:
175:
169:
168:
164:
163:
158:
154:
153:
140:
136:
135:
132:
128:
127:
124:
120:
119:
116:
112:
111:
79:
75:
74:
65:
61:
60:
57:
53:
52:
46:
37:
36:
30:
29:
28:
27:
24:
23:
15:
9:
6:
4:
3:
2:
455:
444:
441:
439:
436:
434:
433:Buttress dams
431:
429:
426:
424:
421:
420:
418:
396:
392:
386:
378:
365:
349:
343:
324:
317:
311:
307:
296:
293:
292:
286:
284:
280:
276:
275:hydroelectric
272:
268:
267:Lake Mantasoa
264:
260:
256:
252:
248:
244:
240:
231:
227:
223:
219:
216:Lake Mantasoa
215:
211:
206:
202:
198:
194:
190:
187:
184:
180:
176:
174:
170:
165:
162:
159:
155:
141:
137:
133:
129:
125:
121:
117:
113:
108:
90:47°50′59.43″E
87:19°01′04.39″S
80:
76:
73:
69:
66:
62:
58:
54:
34:
25:
20:
399:. Retrieved
395:the original
385:
352:. Retrieved
342:
330:. Retrieved
323:the original
310:
285:downstream.
283:Mandraka Dam
243:buttress dam
239:Mantasoa Dam
238:
237:
22:Mantasoa Dam
251:Ikopa River
126:Operational
102: /
78:Coordinates
428:Analamanga
417:Categories
373:|url=
350:. Mantasoa
302:References
263:Madagascar
59:Madagascar
208:Reservoir
401:17 March
364:cite web
354:17 March
332:17 March
289:See also
271:buttress
255:Mantasoa
182:Impounds
177:Buttress
157:Owner(s)
68:Mantasoa
64:Location
375:value (
257:in the
253:, near
245:on the
213:Creates
147: (
115:Purpose
56:Country
371:Check
200:Length
192:Height
161:Jirama
123:Status
326:(PDF)
319:(PDF)
241:is a
403:2014
377:help
356:2014
334:2014
149:1938
142:1938
134:1937
261:of
419::
368::
366:}}
362:{{
70:,
405:.
379:)
358:.
336:.
151:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
