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Warning! This data has NOT been reviewed for accuracy.
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Plot last updated at : 00:10 hrs - Thu, 19 Feb 2026 |
ABIQUIU DAM AND RESERVOIR
RIO CHAMA
DRAINAGE AREA = 2,146 SQ MI
VOLUME AREA ELEVATION FLOW IN CFS
IN ACRE-FEET IN ACRES IN FEET OUTLET SPILLWAY
TOP OF RESERVOIR 1,662,770 16,529 6,381.0 8,300 35,000
MAXIMUM POOL 1,561,150 15,729 6,374.7 8,200 25,000
SPILLWAY CREST 1,212,120 12,606 6,350.0 7,900 0
FLOOD CONTROL
STORAGE 555,778 7,656 6,283.5 6,900 0
TOP OF CITY OF ALB.
EASEMENT 229,199 4,691 6,230.0
SEDIMENT RESERVE
INITIAL 77,039 (1978) 63,000 (2013) 56,538
(1968) 74,700 (1984) 52,579 (2021) 53,778
(1973) 67,500 (1990) 49,471
(1976) 66,400 (1997) 43,748
ZERO STORAGE 0 0 6,080.0
CONDUIT INVERT 0 0 6,060.0
COMMENTS
VERTICAL DATUM – NGVD 1929
DATUM CONVERSION FROM NGVD29 TO NAVD88 – ADD 3.33 FT TO NGVD29 ELEVATIONS
1 INCH OF RUNOFF EQUALS 114,453 AC-FT
FLOOD CONTROL VOLUME 502,000 AC-FT
A-C TABLE ADOPTED 1 JANUARY 2022
TOP OF EASEMENT CHANGED APRIL 2024
BECAME OPERATIONAL ON 5 FEBRUARY 1963
Sediment Deposits
Date of Survey Period Period Average
Years Total Annual
(yrs) (ac-ft) (ac-ft/yr)
APR 63 - - -
OCT 67 4.58 6,344 1,385
SEP 72 4.92 1,995 405
AUG 73 0.92 1,200 1,304
MAR 76 2.50 1,100 440
MAY 78 2.16 3,400 1,574
JUL 84 6.17 10,421 1,689
AUG 90 6.08 3,108 511
JUN 97 6.83 5,723 838
JUN 13 16.00 -12,754 -797
APR 21 8.83 2.760 313
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