WSP12003

• File Number: 8220.125.N
• Description: San Juan-Chama Project
• State: NM
• Basin: San Juan/Dolores
• Date: 12/1/2000
• Title: San Juan-Chama Project Water Accounting for 2000
• Water Supply Pro - Doc Type: Report/Study

San Juan-Chama
Water Accounting
Albuquerque Area Office
November 2000

The natural inflow into Heron Reservoir during the month of November was computed
to be 986 acre-feet (AF) as shown in Table 3. There were -72 AF net San Juan-
Chama (SJ-C) losses, as shown in Table 2. There were no diversions through
Azotea Tunnel this month.

There was a total of 125 AF of Natural (RG) released from Heron. There was 8418
AF of SJ-C released in November, of which 1271 AF was sent to Cochiti's Rec pool,
6847 AF was from the City of Albuquerque (City) to their pool in Abiquiu, 400 AF
was from Bernalillo to their pool in Abiquiu, 400 AF was from Los Lunas to their
pool in EI Vado.

There was a total of 5041 AF released from EI
the Middle Rio Grande Conservancy District
storage in Abiquiu, this operation was done
order to work on the outlet works.

Vado, of
(MRGCD) ,
in order

which the total was from
this water was sent to
to draw down E1 Vado in

There were 3732 AF of SJ-C water released from Abiquiu, of which the total was
sent to Cochiti's Rec pool.

There was 1.36 inches of precipitation at Heron Reservoir, which is 80% of the
November running average of 1.71 inches. The monthly computations for Heron
Reservoir are summarized in Tables 1-3.

Total inflow into Nambe Falls Reservoir was computed to be 334 AF. There were 3.3
AF of losses on the reservoir. Table 4 summarizes San Juan-Chama water at Otowi.

Estimated sediment deposition in the San Juan-Chama pools at Abiquiu and Jemez
Canyon Reservoirs, and Cochiti Lake are presented in Tables 5A-5C. Storage and
evaporation of Rio Grande water in EI Vado and Abiquiu Reservoirs are shown in
Table 6.

All data are provisional and subject to revision as final data are collected and
analyzed.