RED RIVER OF THE NORTH BASIN

05056220 SWEETWATER LAKE AT SWEETWATER, ND

LOCATION.--Lat 48×12'37", long 98×52'15", in NE14SW14SW14 sec.27, T.155 N., R.64 W., Ramsey County, Hydrologic Unit 09020201, at southwest arm of lake 6 mi north of Devils Lake.

DRAINAGE AREA.--670 mi2 of which about 290 mi2 is probably noncontributing.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1960, 1962-87, 1993 to current year.

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

Date	Time	Depth to bottom of samplng intrval meters (82048)	Depth to top of samplng intrval meters (82047)	pH, water, unfltrd lab, std units (00403)	Specif. conduc- tance, wat unf lab, uS/cm 25 degC (90095)	Hard- ness, water, mg/L as CaCO3 (00900)	Calcium water, fltrd, mg/L (00915)	Magnes- ium, water, fltrd, mg/L (00925)	Potas- sium, water, fltrd, mg/L (00935)	Sodium adsorp- tion ratio (00931)	Sodium, water, fltrd, mg/L (00930)	Sodium, percent (00932)	ANC, wat unf fixed end pt, lab, mg/L as CaCO3 (90410)
OCT
01...	1545	2.0	0.00	8.0	1,300	390	74.5	48.9	17.8	3	130	41	238
MAR
03...	1555	1.7	0.80	7.6	1,850	640	123	81.4	26.5	3	202	39	397
MAY
10...	1625	2.1	0.00	7.8	897	280	60.4	32.0	14.8	2	73.2	34	175
AUG
02...	1605	1.8	0.00	8.4	1,360	450	93.0	52.8	16.8	3	132	38	282

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

Date	Chlor- ide, water, fltrd, mg/L (00940)	Fluor- ide, water, fltrd, mg/L (00950)	Silica, water, fltrd, mg/L (00955)	Sulfate water, fltrd, mg/L (00945)	Residue water, fltrd, sum of consti- tuents mg/L (70301)	Ammonia + org-N, water, unfltrd mg/L as N (00625)	Ammonia water, fltrd, mg/L as N (00608)	Nitrate water, fltrd, mg/L as N (00618)	Nitrite + nitrate water fltrd, mg/L as N (00631)	Nitrite water, fltrd, mg/L as N (00613)	Organic nitro- gen, water, unfltrd mg/L (00605)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, unfltrd mg/L (00665)
OCT
01...	46.9	0.18	28.8	424	887	2.2	0.29	0.22	0.23	0.015	1.9	0.18	0.27
MAR
03...	65.5	0.22	42.7	589	1,330	3.9	1.29	--	<0.06	<0.008	2.6	1.03d	1.25
MAY
10...	25.6	0.13	10.8	248	561	1.5	<0.04	--	<0.06	<0.008	--	0.07	0.19
AUG
02...	39.2	0.17	19.9	421	925	2.5	<0.04	--	<0.06	<0.008	--	0.23	0.40

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

Date	Total nitro- gen, water, unfltrd mg/L (00600)	Chloro- phyll a phyto- plank- ton, fluoro, ug/L (70953)	Chloro- phyll b phyto- plank- ton, fluoro, ug/L (70954)	Arsenic water, fltrd, ug/L (01000)	Iron, water, fltrd, ug/L (01046)	Lead, water, fltrd, ug/L (01049)	Lithium water, fltrd, ug/L (01130)	Mangan- ese, water, fltrd, ug/L (01056)	Mercury water, fltrd, ug/L (71890)	Molyb- denum, water, fltrd, ug/L (01060)	Selen- ium, water, fltrd, ug/L (01145)	Stront- ium, water, fltrd, ug/L (01080)
OCT
01...	2.4	13.5d	<0.1d	11.6	10	<1	70	<10	<0.20	3	3	340
MAR
03...	--	4.2d	0.5d	8.8	160	<1	100	1,070	<0.20	2	2	500
MAY
10...	--	25.7d	1.3d	6.2	20	<1	40	<10	<0.20	3	2	230
AUG
02...	--	E16.6d	E.7d	7.6	10	<1	70	<10	<0.20	3	2	370
Remark codes used in this table: < -- Less than E -- Estimated value
Value qualifier codes used in this table: d -- Diluted sample: method hi range exceeded

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

Date	Time	Depth of lake, maximum meters (85310)	Ice thick- ness, feet (82130)	Sam- pling depth, meters (00098)	Trans- parency Secchi disc, inches (00077)	Wind direc- tion, clkwise from north, degrees (00036)	Wind speed, mph (00035)	Baro- metric pres- sure, mm Hg (00025)	Dis- solved oxygen, mg/L (00300)	Dis- solved oxygen, percent of sat- uration (00301)	pH, water, unfltrd field, std units (00400)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, air, deg C (00020)
OCT
01...	1540	2.0	--	0.00	9.60	--	--	744	10.0	95	8.4	1,350	12.0
01...	1541	--	--	0.50	--	--	--	--	9.9	--	8.4	1,340	--
01...	1542	--	--	1.0	--	--	--	--	10.0	--	8.4	1,340	--
01...	1543	--	--	1.5	--	--	--	--	9.8	--	8.4	1,340	--
01...	1544	--	--	2.0	--	--	--	--	9.3	--	8.3	1,340	--
MAR
03...	1550	1.7	2.10	0.80	12.0	15	<5.0	740	1.0	7	7.3	1,740	-4.0
03...	1551	--	--	1.3	--	--	--	--	0.8	--	7.3	2,000	--
03...	1552	--	--	1.7	--	--	--	--	0.7	--	7.4	2,060	--
MAY
10...	1620	2.1	--	0.00	12.0	345	7.0	742	10.6	105	8.5	894	12.5
10...	1621	--	--	0.70	--	--	--	--	10.3	--	8.5	910	--
10...	1622	--	--	1.4	--	--	--	--	10.2	--	8.5	899	--
10...	1623	--	--	2.1	--	--	--	--	9.1	--	8.4	910	--
AUG
02...	1600	1.8	--	0.00	17.3	45	<5.0	737	12.0	149	8.2	1,320	27.0
02...	1601	--	--	1.0	--	--	--	--	7.5	--	8.1	1,340	--
02...	1602	--	--	1.8	--	--	--	--	5.5	--	8.1	1,340	--

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

Date	Temper- ature, water, deg C (00010)
OCT
01...	11.5
01...	8.4
01...	7.1
01...	7.0
01...	7.0
MAR
03...	0.6
03...	1.8
03...	3.0
MAY
10...	13.5
10...	13.4
10...	13.5
10...	13.2
AUG
02...	24.3
02...	20.6
02...	20.3
Remark codes used in this table: < -- Less than

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