WSP08741

• File Number: 8170
• Description: Arkansas Basin Water Quality Issues
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 1/1/1993
• Author: USGS
• Title: Reconnaissance of Water Quality of Lake Henry and Lake Meredith Reservior - Crowley County - Southeastern Colorado - April-October 1987
• Water Supply Pro - Doc Type: Report/Study

Table 20. Analyses of chemical constituents for site Ml B at Lake Meredith
[mgIL, milligrams per liter; dashes indicate no data; <. less than: Ilg/L, micrograms per liter]
Sampling Sampling Nitrogen, Nitrogen, Nitrogen, Nitrogen, Phosphorus
nitrate nitrile NO,+NO, ammonia
date. Time daplh total total lolal total total
1987 (leel) (mgIL as N) (mgIL as N) (mgIL ss N) (mgIL .. N) (mgIL ss P)
05-01 1735 2 0.003 <0.010 0.125 0.075
05-01 1745 11 .003 <.010 .166 .099
06-30 1300 2 0.005 .005 .010 .248 .127
06-30 1330 12 .005 .005 .012 .259 .147
08-20 1305 2 .005 <.010 .050 .096
08-20 1330 8 .006 <.010 .085 .130
Sampling Phosphorus, Copper, Iron, Manganese, Selenium, Zinc,
ortha, total lolal 101.1 total
date, 10101 recoverable recoverable recoverable total recoverable
1987 (mgIL as P) (~gIL as CuI (~gIL .s Fa) (~gIL .s Mn) (~g1L as Se) (~gIL as Zn)
05-01 0.007 5 250 110 <10
05-01 .012 5 510 150 <10
06-30 .010 3 820 190 <10
06-30 .011 3 1,300 210 <10
08-20 .021 3 470 160 4 <10
08-20 .021 3 970 220 4 10

Table 21. Analyses of chemical constituents for site M48 at Lake Meredith
(mgIL, milligrams per liter; dashes indicate no data: <. less than; j.lgIL. micrograms per liter)
Sampling Sampling Nitrogen, Nitrogen, Nitrogen, Nitrogen, Phosphorus,
date, Time dapth nllrate nitrite NO,+NO, ammonia lolal
lotal 101a1 101a1 lotal
1987 (Ieel) (mgIL .s N) (mgIL.s N) (mgIL a. N) (mgIL .s N) (mglL a. P)
05-01 1840 2 0.004 <0.010 0.168 0.101
05-01 1845 8 .004 <.010 .166 .108
06-30 1450 2 .004 <.010 .072 .148
06-30 1505 8 .005 <.010 .106 .093
08-21 0945 2 .005 <.010 .034 .147
08-21 1000 4 0.003 .022 .025 .053 .144
Sampling Phosphorus, Copper, Iron, Manganese, Selenium, Zinc,
date, ortho, total lolal 10101 total lolal
total recoverable recoverable recoverable recoverable
1987 (mglL .s P) (~g1L as CuI (~gIL .s Fe) ()1gIL as Mn) (~gIL .. Se) (~gIL as Zn)
05-01 0.012 7 580 110 <10
05-01 .013 5 600 120 <10
06-30 .010 3 1,300 160 10
06-30 .011 5 1.800 180 <10
08-21 .048 4 1,500 190 4 20
08-21 .051 3 1.500 200 4 20

48 Reconnaissance 01 Water Quality 01 Lake Henry and Lake Meredith Reservoir, Crowley County, Southeastern
Colorado, Aprll~October 1987