Scientific Investigations Report 2006–5305
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5305
Table 17. Volumes of effluent imported to Carson Valley, Nevada and California, 1968–2005.
[South Tahoe Public Utility District: Data from Hal Bird, written commun., 2005, estimated 1972–96 by subtracting 600 acre-ft/yr from plant volumes. Douglas County Sewer Improvement District #1: Data from Kelvin Ikehara, written commun., 2005, estimated 1979–83. Incline Village: Data from Harvey Johnson, Incline Village General Improvement District, written commun., 2005, estimated 1972–74. Carson City: Data from Kyle Menath, Carson City Utilities Department, oral commun., 2005. Abbreviations: na, data for 1988–89 not available. –, Effluent not imported for years with no data]
Water year |
Effluent imports by source, in acre-feet | Total imports (acre-feet) |
|||
---|---|---|---|---|---|
South Tahoe Public Utility District |
Douglas County Sewer Improvement District #1 |
Incline Village |
Carson City |
||
1968 | 1,280 | – | – | – | 1,280 |
1969 | 2,470 | 530 | – | – | 3,000 |
1970 | 2,640 | 543 | – | – | 3,183 |
1971 | 2,930 | 567 | 290 | – | 3,787 |
1972 | 2,695 | 722 | 300 | – | 3,717 |
1973 | 3,097 | 791 | 400 | – | 4,287 |
1974 | 3,178 | 992 | 500 | – | 4,669 |
1975 | 3,324 | 1,282 | 751 | – | 5,357 |
1976 | 3,252 | 1,456 | 745 | – | 5,454 |
1977 | 3,494 | 1,540 | 771 | – | 5,805 |
1978 | 4,292 | 1,903 | 1,005 | – | 7,199 |
1979 | 4,397 | 1,900 | 1,157 | – | 7,454 |
1980 | 3,752 | 1,950 | 1,354 | – | 7,056 |
1981 | 3,557 | 2,000 | 1,328 | – | 6,885 |
1982 | 4,948 | 2,050 | 1,435 | – | 8,433 |
1983 | 4,733 | 2,100 | 1,521 | – | 8,353 |
1984 | 4,208 | 2,260 | 1,351 | – | 7,820 |
1985 | 4,103 | 2,435 | 1,341 | – | 7,879 |
1986 | 4,496 | 2,590 | 1,438 | – | 8,525 |
1987 | 4,486 | 2,446 | 1,309 | – | 8,241 |
1988 | 4,371 | 2,386 | 1,355 | na | 8,113 |
1989 | 4,831 | 2,478 | 1,420 | na | 8,729 |
1990 | 4,609 | 2,423 | 1,456 | 1,568 | 10,056 |
1991 | 4,344 | 2,274 | 1,424 | 1,482 | 9,524 |
1992 | 4,336 | 2,269 | 1,460 | 1,416 | 9,481 |
1993 | 4,909 | 2,451 | 1,595 | 1,325 | 10,280 |
1994 | 4,428 | 2,517 | 1,549 | 1,506 | 9,999 |
1995 | 5,310 | 2,517 | 1,692 | 1,462 | 10,981 |
1996 | 5,433 | 2,529 | 1,722 | 1,450 | 11,134 |
1997 | 5,298 | 2,491 | 1,751 | 1,383 | 10,923 |
1998 | 4,660 | 2,496 | 1,618 | 1,289 | 10,063 |
1999 | 4,869 | 2,479 | 1,628 | 1,394 | 10,369 |
2000 | 4,367 | 2,331 | 1,571 | 1,579 | 9,848 |
2001 | 4,142 | 2,215 | 1,493 | 1,500 | 9,350 |
2002 | 4,127 | 2,063 | 1,472 | 1,476 | 9,138 |
2003 | 4,123 | 2,130 | 1,386 | 1,495 | 9,134 |
2004 | 3,716 | 2,064 | 1,428 | 1,464 | 8,673 |
2005 | 3,763 | 2,064 | 1,307 | 1,480 | 8,614 |
Average 1990–2005 | 4,527 | 2,332 | 1,535 | 1,454 | 9,848 |