Table 8. Calculated quarterly withdrawals by pumping region and year based on analysis of additional pumping capacity, upper Klamath Basin, Oregon and California, 1970–2004. 


[Shading used to emphasize years in which groundwater demand is not met. All withdrawal volumes are in acre-ft. Abbreviations: KLV, Klamath Valley wells; NTL northern Tule Lake wells; STL, southern Tule Lake wells; LKL, Lower Klamath Lake wells; KLR, Klamath River wells; Q3, third quarter; Q4, fourth quarter, upper Klamath Basin, Oregon and California, 1970–2004]

Pumping region and water-year quarter	Water year
	1970	1973	1976	1977	1979	1980	1981	1986	1987	1988	1989
KLV, Q3	11,054	21,219	700	22,626	19,670	2,787	8,120	10,047	13,454	14,260	0
Q4	15,762	13,059	818	18,403	6,482	2,336	22,203	11,470	23,919	22,287	1,199
NTL, Q3	391	1,839	0	2,635	1,231	0	917	915	3,681	3,357	269
Q4	739	315	399	1,593	1,390	0	777	1,283	2,656	2,975	610
STL, Q3	0	3,695	554	11,856	10,606	4,731	6,614	9,285	10,184	14,210	0
Q4	0	3,255	3,632	8,304	6,856	3,630	0	2,948	10,691	11,415	3,971
LKL, Q3	560	355	0	1,233	0	461	1,260	0	1,642	360	0
Q4	1,102	1,182	0	1,109	1,286	0	1,133	0	1,142	125	0
KLR, Q3	0	30	0	799	0	0	820	0	842	173	0
Q4	0	0	0	640	0	0	734	0	734	0	0
Total	29,610	44,949	6,103	69,198	47,521	13,945	42,577	35,948	68,945	69,162	6,049
Demand	29,610	44,949	6,103	69,198	47,521	13,945	42,577	35,948	68,945	69,162	6,049

Pumping region and water-year quarter	Water year
	1990	1991	1992	1994	1997	1999	2000	2001	2002	2003	2004
KLV, Q3	25,409	26,353	15,331	7,442	0	703	728	11,754	4,036	2,795	12,774
Q4	17,586	15,544	14,224	15,367	0	848	2,362	9,841	14,516	11,479	5,062
NTL, Q3	7,666	4,683	5,512	5,325	1,025	2,598	227	7,948	5,544	8,258	3,438
Q4	4,333	4,549	4,449	3,784	1,673	3,137	1,718	4,645	3,201	5,681	4,170
STL, Q3	15,207	15,665	13,081	11,417	0	356	0	14,449	16,075	1,518	8,530
Q4	10,570	6,359	9,650	10,571	0	5,727	5,215	8,955	5,615	0	8,594
LKL, Q3	1,612	1,350	0	1,245	0	0	0	1,591	374	1,327	0
Q4	1,259	1,370	0	1,110	0	0	0	1,231	149	1,480	244
KLR, Q3	310	0	0	815	0	793	0	0	546	887	0
Q4	0	0	0	717	0	0	0	0	0	802	0
Total	83,952	75,873	62,247	57,793	2,698	14,162	10,250	60,414	50,056	34,227	42,812
Demand	92,415	102,466	69,198	83,686	2,698	14,162	10,250	66,463	50,056	34,228	42,812

First posted April 23, 2014