RED RIVER OF THE NORTH BASIN

05064500 RED RIVER OF THE NORTH AT HALSTAD, MN-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1961-67, 1972 to current year.

PERIOD OF DAILY RECORD.--

WATER TEMPERATURE: October 1997 to current year.

SPECIFIC CONDUCTANCE: October 1997 to current year.

INSTRUMENTATION.--Water-quality sensors since October 1997.

REMARKS.--Records fair and incomplete because of poor circulation in sampling well. Monitor moved outside of well on Sept. 4.

EXTREMES FOR PERIOD OF DAILY RECORD.--

WATER TEMPERATURE: Maximum recorded, 29.0×C, Aug. 8, 2001; minimum recorded, -0.4×C, Feb. 2 and Mar. 2, 2004.

SPECIFIC CONDUCTANCE: Maximum recorded, 1,170 microsiemens, Dec. 31, 1998; minimum recorded, 235 microsiemens, June 21, 2000.

EXTREMES FOR CURRENT YEAR.--

WATER TEMPERATURE: Maximum recorded, 23.7×C, July 3; minimum recorded, -0.4×C, Feb. 2 and Mar. 2.

SPECIFIC CONDUCTANCE: Maximum recorded, 1,170 microsiemens, Jan. 7; minimum recorded, 331 microsiemens, Mar. 28.

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

Date	Time	Dis- charge, cfs (00060)	Instan- taneous dis- charge, cfs (00061)	Tur- bidity, water, unfltrd field, NTU (61028)	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)	pH, water, unfltrd lab, std units (00403)	Specif. conduc- tance, wat unf lab, uS/cm 25 degC (90095)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, air, deg C (00020)	Temper- ature, water, deg C (00010)
APR
07...	1230	--	5,460	--	--	--	--	8.1	7.8	886	894	10.5	9.5
MAY
12...	1430	1,960	--	370	730	9.7	92	8.3	8.2	669	653	8.5	11.0
SEP
09...	1530	--	6,030	--	--	--	--	7.8	7.3	391	394	23.0	18.5

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

Date	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)	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)
APR
07...	340	72.2	38.9	10.7	1	61.2	27	223	19.6	0.21	20.6	216	555
MAY
12...	260	55.5	29.2	6.10	0.8	30.9	20	203	18.5	--	--	127	395
SEP
09...	160	34.4	17.3	7.10	0.5	13.5	15	142	8.1	0.17	16.6	56.5	224

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

Date	Residue water, fltrd, tons/d (70302)	Ammonia + org-N, water, fltrd, mg/L as N (00623)	Ammonia + org-N, water, unfltrd mg/L as N (00625)	Ammonia water, fltrd, mg/L as N (00608)	Ammonia water, unfltrd mg/L as N (00610)	Nitrite + nitrate water fltrd, mg/L as N (00631)	Nitrite + nitrate water unfltrd mg/L as N (00630)	Organic nitro- gen, water, fltrd, mg/L (00607)	Organic nitro- gen, water, unfltrd mg/L (00605)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, fltrd, mg/L (00666)	Phos- phorus, water, unfltrd mg/L (00665)	Total nitro- gen, water, fltrd, mg/L (00602)
APR
07...	8,460	--	--	--	--	--	--	--	--	--	--	--	--
MAY
12...	2,080	0.61	0.39	0.130	0.132	0.793	0.780	0.48	0.26	0.180	0.171	0.538	1.4
SEP
09...	3,890	--	--	--	--	--	--	--	--	--	--	--	--

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

Date	Total nitro- gen, water, unfltrd mg/L (00600)	Fecal coli- form, M-FC 0.7u MF col/ 100 mL (31625)	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)
APR
07...	--	--	--	--	3.5	40	<1	50	20	<0.20	3	<1	300
MAY
12...	1.2	3,500	48.1	1.7	--	<10	--	--	<10	--	--	--	--
SEP
09...	--	--	--	--	4.9	70	<1	20	<10	<0.20	2	2	130
Remark codes used in this table: < -- Less than

Temperature, water, degrees Celsius 

WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

DAY	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN
	OCTOBER			NOVEMBER			DECEMBER			JANUARY
1	9.7	7.8	8.8	3.2	2.1	2.4	0.0	0.0	0.0	-0.1	-0.2	-0.1
2	9.2	7.5	8.4	2.7	1.6	2.2	0.1	0.0	0.0	-0.1	-0.3	-0.1
3	10.7	8.8	9.6	2.0	0.6	1.0	0.0	0.0	0.0	-0.1	-0.2	-0.1
4	12.5	9.9	11.0	0.6	0.3	0.4	0.0	0.0	0.0	-0.1	-0.1	-0.1
5	13.3	10.9	12.0	0.4	0.2	0.3	0.0	0.0	0.0	-0.1	-0.2	-0.1
6	14.1	11.8	12.9	0.3	0.2	0.2	0.1	0.0	0.0	0.0	-0.2	-0.1
7	14.8	12.7	13.6	0.3	0.2	0.2	0.1	0.0	0.0	-0.1	-0.2	-0.1
8	16.4	13.8	14.9	0.3	0.2	0.2	0.1	0.0	0.0	-0.1	-0.1	-0.1
9	17.9	15.8	16.8	0.3	0.2	0.2	0.0	-0.1	0.0	-0.1	-0.1	-0.1
10	18.5	16.4	17.4	0.3	0.2	0.2	0.0	-0.1	0.0	-0.1	-0.3	-0.1
11	18.1	15.8	16.8	0.4	0.2	0.2	0.0	-0.1	0.0	-0.1	-0.2	-0.1
12	15.8	14.1	14.8	0.3	0.1	0.2	0.0	-0.1	0.0	-0.1	-0.2	-0.1
13	14.4	12.7	13.7	0.3	0.1	0.1	0.0	-0.1	-0.1	-0.1	-0.2	-0.1
14	13.7	12.0	12.8	0.3	0.1	0.1	0.0	-0.1	-0.1	-0.1	-0.2	-0.2
15	12.5	10.5	11.3	0.3	0.1	0.2	0.0	-0.1	-0.1	-0.1	-0.2	-0.2
16	11.2	9.8	10.5	0.2	0.1	0.1	-0.1	-0.1	-0.1	-0.2	-0.2	-0.2
17	10.4	8.8	9.7	0.3	0.1	0.2	0.0	-0.1	-0.1	0.0	-0.2	-0.2
18	11.1	9.3	10.2	0.4	0.1	0.2	-0.1	-0.1	-0.1	-0.2	-0.2	-0.2
19	11.7	9.6	10.7	0.4	0.0	0.1	0.0	-0.1	-0.1	-0.1	-0.2	-0.2
20	12.2	10.9	11.5	0.2	0.0	0.1	0.0	-0.1	-0.1	-0.1	-0.3	-0.2
21	12.8	11.3	12.0	0.1	0.0	0.0	-0.1	-0.1	-0.1	0.0	-0.3	-0.2
22	12.4	10.9	11.8	0.2	0.0	0.0	0.0	-0.2	-0.1	-0.1	-0.2	-0.2
23	11.8	10.2	11.0	0.1	0.0	0.1	-0.1	-0.1	-0.1	-0.2	-0.2	-0.2
24	11.2	10.1	10.7	0.1	0.0	0.0	-0.1	-0.1	-0.1	0.0	-0.2	-0.2
25	10.3	7.6	8.9	0.0	0.0	0.0	-0.1	-0.1	-0.1	-0.2	-0.3	-0.2
26	7.6	6.2	6.8	0.0	-0.1	0.0	-0.1	-0.1	-0.1	-0.2	-0.2	-0.2
27	6.6	5.5	5.9	0.0	0.0	0.0	-0.1	-0.1	-0.1	-0.1	-0.2	-0.2
28	5.5	4.5	4.8	0.0	0.0	0.0	-0.1	-0.1	-0.1	-0.1	-0.2	-0.2
29	4.7	4.0	4.4	0.0	0.0	0.0	-0.1	-0.1	-0.1	-0.1	-0.2	-0.2
30	4.4	4.1	4.2	0.0	0.0	0.0	-0.1	-0.1	-0.1	-0.2	-0.2	-0.2
31	4.1	3.2	3.7	---	---	---	-0.1	-0.1	-0.1	-0.2	-0.2	-0.2
MONTH	18.5	3.2	10.7	3.2	-0.1	0.3	0.1	-0.2	-0.1	0.0	-0.3	-0.2
	FEBRUARY			MARCH			APRIL			MAY
1	-0.1	-0.3	-0.2	---	---	---	4.3	3.0	3.5	12.4	11.7	12.1
2	-0.1	-0.4	-0.2	-0.2	-0.4	-0.2	5.5	4.1	4.7	12.8	11.2	11.9
3	---	---	---	-0.1	-0.3	-0.2	6.3	5.1	5.7	12.3	11.5	11.9
4	---	---	---	-0.1	-0.2	-0.2	7.1	5.9	6.4	13.1	11.2	12.1
5	---	---	---	-0.2	-0.2	-0.2	7.6	6.3	6.9	14.2	11.7	12.8
6	---	---	---	-0.2	-0.3	-0.2	8.6	7.2	7.8	14.4	12.7	13.5
7	---	---	---	-0.2	-0.3	-0.2	9.2	8.4	8.8	14.0	12.8	13.4
8	---	---	---	-0.2	-0.2	-0.2	9.0	8.3	8.7	15.0	12.6	13.6
9	---	---	---	-0.2	-0.2	-0.2	8.6	7.6	8.1	15.0	14.3	14.6
10	---	---	---	-0.2	-0.2	-0.2	7.6	6.9	7.2	15.9	13.9	14.8
11	---	---	---	-0.1	-0.2	-0.2	7.1	6.1	6.5	15.5	12.8	14.1
12	---	---	---	-0.2	-0.2	-0.2	6.8	5.8	6.2	12.8	10.4	11.1
13	---	---	---	-0.2	-0.2	-0.2	6.9	5.8	6.4	10.4	9.1	9.5
14	---	---	---	-0.2	-0.3	-0.2	7.7	6.5	7.0	9.6	8.3	8.9
15	---	---	---	-0.2	-0.2	-0.2	8.3	6.9	7.6	10.0	8.7	9.3
16	---	---	---	-0.1	-0.2	-0.2	8.9	7.4	8.1	11.5	10.0	10.7
17	---	---	---	-0.2	-0.2	-0.2	9.0	8.0	8.5	12.9	11.2	11.9
18	---	---	---	-0.2	-0.3	-0.2	9.3	8.1	8.7	14.3	12.4	13.2
19	---	---	---	-0.2	-0.3	-0.2	9.7	8.3	8.9	15.0	14.2	14.4
20	---	---	---	-0.2	-0.3	-0.2	9.5	9.0	9.2	16.0	14.7	15.3
21	---	---	---	-0.2	-0.3	-0.2	10.6	9.1	9.7	16.4	15.3	15.8
22	---	---	---	-0.2	-0.3	-0.2	10.6	9.2	9.9	16.8	15.8	16.3
23	---	---	---	-0.2	-0.2	-0.2	10.9	9.7	10.3	16.4	15.1	15.7
24	---	---	---	-0.2	-0.2	-0.2	11.4	9.8	10.5	15.1	14.0	14.6
25	---	---	---	-0.1	-0.2	-0.2	11.4	10.6	11.2	14.0	13.3	13.6
26	---	---	---	-0.2	-0.3	-0.2	11.4	10.3	10.9	14.5	12.7	13.6
27	---	---	---	0.0	-0.2	-0.1	11.6	10.6	11.1	15.6	13.8	14.5
28	---	---	---	1.4	0.0	0.7	12.6	11.2	11.8	16.9	14.9	15.8
29	---	---	---	1.6	1.3	1.5	12.4	11.2	11.9	17.3	16.8	17.0
30	---	---	---	1.6	1.0	1.3	12.6	11.8	12.2	16.8	15.6	16.5
31	---	---	---	3.0	1.6	2.2	---	---	---	15.6	14.8	15.0
MONTH	-0.1	-0.4	-0.2	3.0	-0.4	0.0	12.6	3.0	8.5	17.3	8.3	13.5
	JUNE			JULY			AUGUST			SEPTEMBER
1	14.8	14.5	14.6	23.2	21.7	22.4	---	---	---	21.8	20.0	20.8
2	15.5	14.5	14.9	23.0	22.8	22.9	---	---	---	22.8	20.3	21.6
3	16.0	15.3	15.6	23.7	22.7	23.1	---	---	---	23.1	21.3	22.2
4	16.8	15.9	16.3	23.4	21.7	22.6	---	---	---	22.9	21.7	22.1
5	18.2	16.8	17.4	21.7	20.5	21.1	---	---	---	21.7	20.2	21.0
6	19.4	18.1	18.6	---	---	---	---	---	---	20.2	18.7	19.4
7	20.9	19.4	20.1	---	---	---	---	---	---	19.4	17.5	18.4
8	21.1	20.5	20.8	---	---	---	---	---	---	17.5	16.7	16.9
9	21.3	20.4	20.8	---	---	---	---	---	---	---	---	---
10	20.9	20.3	20.6	---	---	---	---	---	---	---	---	---
11	20.7	19.9	20.3	---	---	---	---	---	---	---	---	---
12	20.9	19.8	20.3	---	---	---	---	---	---	---	---	---
13	21.2	20.1	20.6	---	---	---	---	---	---	---	---	---
14	21.4	20.3	20.8	---	---	---	---	---	---	---	---	---
15	21.1	20.4	20.7	---	---	---	---	---	---	---	---	---
16	20.7	19.7	20.2	---	---	---	---	---	---	---	---	---
17	20.5	19.5	20.0	---	---	---	---	---	---	---	---	---
18	20.2	19.2	19.7	---	---	---	---	---	---	---	---	---
19	20.1	18.8	19.5	---	---	---	---	---	---	---	---	---
20	20.1	18.7	19.4	---	---	---	19.2	17.3	18.4	---	---	---
21	20.0	19.2	19.5	---	---	---	18.6	17.0	17.9	---	---	---
22	19.5	18.7	19.2	---	---	---	18.8	17.3	17.9	---	---	---
23	19.3	18.6	18.8	---	---	---	18.1	16.9	17.5	---	---	---
24	19.0	17.9	18.5	---	---	---	20.4	17.8	18.8	20.1	16.4	17.9
25	18.8	18.1	18.4	---	---	---	20.1	18.8	19.5	17.0	15.9	16.4
26	18.8	17.8	18.3	---	---	---	21.3	19.4	20.1	16.8	16.1	16.5
27	19.9	18.3	18.9	---	---	---	20.9	19.8	20.1	16.7	16.0	16.3
28	20.6	19.0	19.7	---	---	---	20.8	18.5	19.6	16.0	15.3	15.6
29	21.7	20.0	20.7	---	---	---	20.2	18.7	19.3	15.5	14.7	15.1
30	22.5	21.1	21.7	---	---	---	20.8	18.3	19.4	15.0	14.8	14.9
31	---	---	---	---	---	---	21.7	19.3	20.4	---	---	---
MONTH	22.5	14.5	19.2	23.7	20.5	22.4	21.7	16.9	19.1	23.1	14.7	18.3
YEAR	23.7	-0.4	7.9

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius 

WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

DAY	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN
	OCTOBER			NOVEMBER			DECEMBER			JANUARY
1	902	891	896	906	802	859	1,020	990	1,010	1,120	989	1,070
2	900	881	892	870	844	858	1,030	1,020	1,020	1,120	1,040	1,050
3	887	872	882	875	861	866	1,060	1,030	1,050	1,120	1,050	1,080
4	882	872	878	878	861	871	1,060	1,040	1,060	1,100	1,100	1,100
5	878	870	874	894	867	874	1,040	1,020	1,030	1,110	1,090	1,100
6	887	877	880	904	883	896	1,020	1,010	1,010	1,110	1,080	1,090
7	903	886	891	927	890	907	1,020	1,000	1,010	1,170	1,100	1,120
8	948	903	922	957	927	941	1,040	989	1,010	1,120	1,090	1,100
9	---	---	895	968	955	961	1,020	989	1,010	1,090	1,080	1,080
10	886	870	879	988	951	961	1,050	1,020	1,040	1,080	1,050	1,060
11	873	842	855	1,030	988	1,010	1,030	1,020	1,030	1,050	1,040	1,050
12	854	844	848	1,050	1,030	1,040	1,030	998	1,010	---	---	1,050
13	953	854	896	1,030	991	1,010	1,010	994	1,000	1,050	1,020	1,040
14	1,030	953	990	992	970	982	1,050	999	1,010	1,030	1,010	1,020
15	1,060	854	927	987	952	964	1,070	1,000	1,030	1,010	1,000	1,000
16	912	880	903	1,010	976	995	1,020	1,010	1,020	1,050	996	1,010
17	944	905	920	988	962	974	1,010	995	999	1,020	1,000	1,010
18	1,010	944	984	962	938	949	1,030	994	1,000	1,010	994	998
19	1,000	975	984	952	928	940	1,010	1,000	1,010	998	983	992
20	975	932	946	931	904	917	1,060	1,010	1,020	984	970	977
21	932	898	912	904	877	893	1,080	1,030	1,040	984	972	982
22	898	872	883	885	813	854	1,120	1,020	1,060	987	978	983
23	893	863	882	888	827	864	1,100	1,020	1,040	979	956	963
24	866	858	862	917	888	905	1,070	989	1,020	960	948	955
25	891	858	880	923	899	916	1,040	985	998	960	949	953
26	891	875	885	923	901	909	1,060	975	1,010	981	960	972
27	885	875	880	967	921	934	1,070	977	1,010	982	974	977
28	906	876	887	1,010	967	996	1,050	961	997	981	970	975
29	906	880	889	1,010	972	988	962	952	957	984	978	981
30	880	824	849	990	972	979	967	956	961	984	975	981
31	824	804	817	---	---	---	989	963	968	976	972	974
MONTH	1,060	804	896	1,050	802	934	1,120	952	1,010	1,170	948	1,020
	FEBRUARY			MARCH			APRIL			MAY
1	1,000	973	983	---	---	---	474	445	463	662	650	657
2	1,050	1,000	1,030	---	---	---	515	472	500	681	661	671
3	---	---	---	---	---	---	569	512	547	701	681	690
4	---	---	---	941	859	902	639	569	612	714	701	708
5	---	---	---	859	813	826	749	638	694	729	710	720
6	---	---	---	827	799	807	853	749	815	729	719	722
7	---	---	---	843	827	838	882	819	841	724	716	720
8	---	---	---	849	833	842	869	772	819	729	715	721
9	---	---	---	833	796	815	810	735	772	720	713	717
10	---	---	---	796	767	783	781	718	742	713	707	711
11	---	---	---	784	765	774	752	702	726	711	691	704
12	---	---	---	833	781	808	734	682	712	691	578	628
13	---	---	---	781	708	731	730	681	704	578	540	562
14	---	---	---	730	698	714	710	654	688	550	508	527
15	---	---	---	698	679	685	686	644	666	612	540	575
16	---	---	---	706	689	700	666	633	645	675	608	648
17	---	---	---	720	696	701	643	626	637	665	588	621
18	---	---	---	780	701	735	643	628	635	597	581	588
19	---	---	---	759	703	736	632	620	627	634	597	618
20	---	---	---	714	672	695	620	612	616	665	633	643
21	---	---	---	708	641	680	615	606	612	702	665	686
22	---	---	---	683	615	650	607	594	602	733	685	701
23	---	---	---	615	564	591	608	597	603	718	695	705
24	---	---	---	575	515	553	625	608	618	723	710	717
25	---	---	---	569	410	495	634	625	629	729	721	725
26	---	---	---	410	349	385	634	616	627	729	708	721
27	---	---	---	356	336	346	618	609	612	717	701	709
28	---	---	---	345	331	337	620	608	613	713	696	705
29	---	---	---	376	345	364	636	618	623	707	693	702
30	---	---	---	416	376	397	650	633	639	694	551	673
31	---	---	---	451	416	438	---	---	---	551	443	486
MONTH	1,050	973	1,010	941	331	655	882	445	655	733	443	667
	JUNE			JULY			AUGUST			SEPTEMBER
1	486	457	473	895	875	883	---	---	---	782	756	775
2	620	486	545	878	865	872	---	---	---	840	778	812
3	506	491	499	865	833	850	---	---	---	795	781	786
4	512	484	492	838	814	827	---	---	---	807	795	803
5	543	512	536	845	816	832	---	---	---	812	806	810
6	597	531	550	---	---	---	---	---	---	875	806	817
7	735	597	666	---	---	---	---	---	---	875	618	704
8	785	734	748	---	---	---	---	---	---	635	533	593
9	798	779	790	---	---	---	---	---	---	---	---	---
10	793	778	784	---	---	---	---	---	---	---	---	---
11	812	793	804	---	---	---	---	---	---	---	---	---
12	829	811	819	---	---	---	---	---	---	---	---	---
13	840	829	833	---	---	---	---	---	---	---	---	---
14	867	840	852	---	---	---	---	---	---	---	---	---
15	917	867	896	---	---	---	---	---	---	---	---	---
16	939	917	930	---	---	---	---	---	---	---	---	---
17	943	935	938	---	---	---	---	---	---	---	---	---
18	952	933	941	---	---	---	---	---	---	---	---	---
19	950	911	923	---	---	---	---	---	---	---	---	---
20	922	916	919	---	---	---	798	785	791	---	---	---
21	938	922	927	---	---	---	797	782	790	---	---	---
22	949	937	942	---	---	---	782	767	773	---	---	---
23	952	943	949	---	---	---	769	759	763	---	---	---
24	957	943	951	---	---	---	760	725	737	822	674	726
25	976	957	966	---	---	---	786	736	762	823	722	784
26	989	975	982	---	---	---	749	729	740	731	663	686
27	975	946	960	---	---	---	846	749	788	754	607	657
28	946	939	941	---	---	---	837	802	817	670	606	629
29	951	929	939	---	---	---	802	757	787	729	670	707
30	929	895	910	---	---	---	769	746	754	751	729	738
31	---	---	---	---	---	---	756	742	748	---	---	---
MONTH	989	457	814	895	814	853	846	725	771	875	533	735
YEAR	1,170	331	828