Scientific Investigations Report 2006–5305
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5305
Table 18. Annual ground-water pumping for selected water-use categories and estimates of net ground-water pumping, Carson Valley, Nevada and California.
[Pumping from 1987 to 2005 from Nevada Division of Water Resources, Carson Valley Groundwater Pumping Inventory. –, no data]
| Water year | Irrigation | Municipal | Commercial | Stock | Domestic | Other | Total |
|---|---|---|---|---|---|---|---|
| 11965 | 5,000 | 970 | 400 | – | 190 | – | 6,560 |
| 21968 | – | – | – | – | – | – | 10,000 |
| 21969 | – | – | – | – | – | – | 3,000 |
| 31971 | 5,000 | 590 | – | – | – | – | 5,590 |
| 41981 | – | – | – | – | – | – | 14,500 |
| 41982 | – | – | – | – | – | – | 7,400 |
| 41983 | – | – | – | – | – | – | 7,000 |
| 51984 | 2,800 | 3,400 | – | – | 1,300 | 200 | 7,700 |
| 51985 | 5,700 | 3,500 | – | – | 1,400 | 200 | 10,800 |
| 61986 | 3,400 | 3,500 | – | – | 1,400 | 1,900 | 10,200 |
| 1987 | 8,880 | 4,629 | 89 | 208 | 1,980 | 2,457 | 18,243 |
| 1988 | 10,124 | 5,348 | 58 | 370 | 2,144 | 3,165 | 21,209 |
| 1989 | 9,551 | 5,357 | 106 | 443 | 2,278 | 2,957 | 20,692 |
| 1990 | 10,387 | 5,642 | 148 | 447 | 2,400 | 3,050 | 22,074 |
| 1991 | 9,917 | 5,980 | 108 | 470 | 2,555 | 3,345 | 22,375 |
| 1992 | 11,833 | 7,021 | 171 | 234 | 2,656 | 3,209 | 25,124 |
| 1993 | 7,151 | 6,322 | 296 | 153 | 2,800 | 2,615 | 19,337 |
| 1994 | 12,465 | 7,058 | 150 | 122 | 2,960 | 3,298 | 26,053 |
| 1995 | 3,085 | 6,123 | 141 | 150 | 3,104 | 3,624 | 16,227 |
| 1996 | 3,883 | 6,740 | 97 | 133 | 3,187 | 3,498 | 17,538 |
| 1997 | 5,153 | 7,959 | 133 | 153 | 3,221 | 4,279 | 20,898 |
| 1998 | 4,031 | 6,597 | 90 | 155 | 3,312 | 3,398 | 17,583 |
| 1999 | 4,839 | 7,728 | 58 | 137 | 3,494 | 3,633 | 19,889 |
| 2000 | 8,678 | 8,435 | 74 | 123 | 3,593 | 2,974 | 23,877 |
| 2001 | 12,899 | 9,368 | 76 | 126 | 3,675 | 2,946 | 29,090 |
| 2002 | 11,137 | 10,967 | 81 | 119 | 3,744 | 3,566 | 29,614 |
| 2003 | 13,019 | 9,121 | 80 | 118 | 3,792 | 3,479 | 29,609 |
| 2004 | 17,150 | 9,887 | 63 | 114 | 3,918 | 3,428 | 34,561 |
| 2005 | 9,904 | 9,533 | 50 | 106 | 4,025 | 3,787 | 27,405 |
| Average 1990–2005 | 9,096 | 7,780 | 114 | 179 | 3,277 | 3,383 | 23,828 |
| Estimated return flow | 7800 | 102,368 | 113,200 | ||||
| Secondary recharge | 82,000–4,800 | 9700 | 113,000–6,000 | ||||
| Total return flow and secondary recharge |
6,000–9,000 | ||||||
| Net pumping12 | 8,200 | 3,100–6,000 | 179 | 2,577 | 1,015 | 15,000–18,000 | |
1 From Harrill and Worts (1968, p. 14, 18, 24, 26).
2 From Walters and others (1970, p. 42).
3 From Glancy and Katzer (1976, p. 56 and 59).
4 From Maurer (1986, p. 62–63).
5 From Berger (1987, p. 14).
6 From Berger (1990, p. 9).
7 Return flow estimated as 10 percent of that pumped for flood irrigation. About 1,200 acre-ft pumped for sprinkler irrigation in 2004 (James Asher, Beatty Agrodynamics, oral commun., 2006). Ground water pumped for flood irrigation was assumed to be about 8,000 acre-ft/yr 1990–2005.
8 Secondary recharge estimated from 0.4 to 1.0 ft/yr from lawn watering and 40 percent lawn area (Maurer and Thodal, 2000, p. 21 and 26) for 12,000 acres of residential use.
9 Secondary recharge estimated as 0.15 acre-ft/yr per septic tank (Maurer, 1997, p. 26) for 4,400 septic tanks (Dawn Patterson, Douglas County MAGIC, written commun., 2005).
10 Return flow estimated as 70 percent flow through U.S. Fish Hatchery (Clark, 2005, p. 7).
11 Rounded.
12 Net pumping is average for 1990–2005 minus return flow and secondary recharge.
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