WSP09144

• File Number: 8510.100.60
• Description: Rio Grande Compact Commission
• Basin: Rio Grande
• Water Division: 3
• Date: 1/1/1948
• Title: Tenth Annual Report of the Rio Grande Compact Commission 1948
• Water Supply Pro - Doc Type: Annual Report

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In event any works are constructed after 1937 for the purpose of delivering
water into the Rio Grande from the Closed Basin, Colorado shall not be credited
with the amount of such water delivered, unless the proportion of sodium ions
shall ce less than forty-five percent of the total Fositive ions in that water
when the total dissolved solids in such ~Rter exceeds three hundred fifty parts
per million.

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ARTICLE IV

The obligation of New ~exioo to deliver water in the Rio arande at San Mar-
cial, during each oalendar year, exclusive of the months of July, Au;ust, and
September, shall be that quantity set forth in the following tabulation of re-
lationship, ~nich corresponds to the quantity at the upper index station:

DISCHARGE OF RIO GHAliCE AT OTOVrr BRIDGE
AND AT SAN M.4.RCIAL EXCLUSIVE OF
JULY, AUGUST AND SEPTEMBER

Quantities in thousands of acre feet

San Marcial Index
Ctowi Index Supply (5) Supply (6)
100 0
200 65
300 141
400 219
500 300
600 383
700 469
800 557
900 648
1000 742
1100 839
1200 939
1300 1042
1400 1148
1500 1257
1600 1370
1700 1489
1800 1608
1900 1730
2000 1856
2100 1985
2200 2117
2300 2253

Intermediote quantities shall be computed by proportional parts.

(5) The Otowi Index Supply is the recorded flow of the Rio Grande at the
U. S. G. S. gaging station at otowi Bridge near San Ildefonso (formerly station
near Buckman) during the calendar year, exclusive of the flow during the months
of July, August and September, correoted for the operation of reservoirs con-
structed after 1929 in the drainage basin of the Rio Grande between Lobatos and
Otowi Bridge.