Warning! This data has NOT been reviewed for accuracy.

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Time series plot showing recent conditions at the lake or reservoir.  See tabulated data for details.

Plot last updated at :



                          BRANTLEY DAM AND RESERVOIR
                                   PECOS RIVER
                           DRAINAGE AREA = 17,152 SQ MI
                (12,208 sq. mi. BETWEEN SUMNER DAM AND BRANTLEY DAM)

                       VOLUME           AREA        ELEV.    FLOW IN CFS
                       IN ACRE-FEET     IN ACRES    IN FEET  OUTLET  SPILLWAY
						      (NAVD88)

TOP OF DAM (1)         1,194,318        42,525      3309.60   2,087   419,500

MAXIMUM POOL           1,010,547        39,011      3305.10   2,032   357,000

TOP INDUCED SURCHARGE    432,002        23,910      3286.60   1,850   145,000

TOP OF FLOOD CONTROL     384,035        22,524      3284.60   1,788   129,500

TOP OF CONSERVATION      166,227        13,598      3272.60   1,650    40,200

SPILLWAY CREST            62,933         5,522      3261.10   1,450         0

2019 ENTITLEMENT STORAGE  42,513         3,169      3256.27   1,400         0

2019 TOP OF INACTIVE       2,513           396      3229.24       0         0

CONDUIT INVERT                39            19      3212.30       0         0

LOW FLOW OUTLET INLET (2)      0             0      3206.35       0         0

ZERO STORAGE                   0             0      3203.60       0         0


COMMENTS

USBR PROJECT

AUTHORIZED SPACE
FLOOD CONTROL            189,700  AC-FT
IRRIGATION                40,000  AC-FT
SEDIMENT                 116,000  AC-FT
INACTIVE (RECREATION)      2,000  AC-FT

EAC TABLE ADOPTED 2014

(1) TOP OF DAM ELEVATION WITHOUT 0.50 FT CAMBER.
(2) FLOW IN OUTLET COLUMN DOES NOT INCLUDE THE LOW FLOW OUTLET WORKS.

ALL ELEVATIONS IN NAVD88. SUBTRACT 1.60 FT TO CONVERT NAVD88 TO NGVD29 WHICH IS ALSO THE USBR PROJECT DATUM.