MISSOURI RIVER MAIN STEM

06338490 MISSOURI RIVER AT GARRISON DAM, ND-Continued

(National Stream-Quality Accounting Network Station)

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1972 to current year.

REMARKS.--Quality assurance samples also collected at this location.

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

Date	Time	Instan- taneous dis- charge, cfs (00061)	Turbid- ity, wat unf lab, Hach 2100AN NTU (99872)	UV absorb- ance, 254 nm, wat flt units /cm (50624)	UV absorb- ance, 280 nm, wat flt units /cm (61726)	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)
NOV
19...	1030	13,900	2.5	0.082	0.058	--	10.5	--	8.2	8.2	611	647	--
MAR
15...	1000	15,900	<2.0	0.076	0.053	716	12.0	91	8.1	8.1	590	666	-2.0
APR
28...	1015	16,800	<2.0	0.075	0.053	706	12.9	108	8.1	8.1	586	638	21.0
MAY
27...	1030	18,900	<2.0	0.070	0.048	701	11.9	108	8.3	8.2	584	637	18.5
JUN
23...	0930	19,300	3.2	0.068	0.047	714	10.6	106	8.4	8.2	601	610	15.5
SEP
08...	1045	15,300	3.7	0.086	0.065	--	7.5	--	8.4	8.2	607	613	19.5

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

Date	Temper- ature, water, deg C (00010)	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)	Alka- linity, wat flt fxd end lab, mg/L as CaCO3 (29801)	Alka- linity, wat flt inc tit field, mg/L as CaCO3 (39086)	Bicar- bonate, wat flt incrm. titr., field, mg/L (00453)	Carbon- ate, wat flt incrm. titr., field, mg/L (00452)	Chlor- ide, water, fltrd, mg/L (00940)
NOV
19...	6.2	210	49.8	20.4	4.25	2	55.3	36	157	152	180	0.0	9.48
MAR
15...	1.3	200	47.7	19.4	3.84	2	51.4	35	163	148	178	2	9.49
APR
28...	4.4	210	50.4	20.1	4.20	2	55.1	36	161@c	154	186	0.0	9.76
MAY
27...	7.4	210	50.3	19.9	4.01	2	55.0	36	160@c	196	233	3	9.66
JUN
23...	12.5	210	52.0	20.2	3.87	2	52.6	34	161@c	154	184	1	9.54
SEP
08...	16.0	220	52.3	20.9	4.15	2	51.5	34	162@c	159	188	3	9.18

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

Date	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)	Residue water, fltrd, tons/d (70302)	Residue on evap. at 180degC wat flt mg/L (70300)	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)	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, fltrd, mg/L (00607)
NOV
19...	0.6	7.01	146	383	15,100	404	0.18	0.19	E.006n	--	0.124	E.001n	--
MAR
15...	0.7	7.03	146	375	17,600	409	0.17	0.20	0.025	--	0.111	E.001n	0.15
APR
28...	0.6	7.19	143	384	18,500	407	0.15	0.21	<0.010	--	0.118	E.001n	--
MAY
27...	0.6	6.91	140	405	19,900	391	0.20	0.20	<0.010	0.09	0.095	0.002	--
JUN
23...	0.6	6.76	143	381	20,600	394	0.15	0.21	E.008n	--	0.084	E.001n	--
SEP
08...	0.7	6.16	147	388	17,000	411	0.22	0.21	E.008n	--	0.076	E.001n	--

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

Date	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)	Total nitro- gen, water, unfltrd mg/L (00600)	Organic carbon, suspnd sedimnt total, mg/L (00689)	Organic carbon, water, fltrd, mg/L (00681)	Chloro- phyll a phyto- plank- ton, fluoro, ug/L (70953)	Arsenic water, fltrd, ug/L (01000)	Boron, water, fltrd, ug/L (01020)	Iron, water, fltrd, ug/L (01046)	Lithium water, fltrd, ug/L (01130)
NOV
19...	--	<0.006	E.003n	0.007	0.30	0.31	0.2	3.4	1.9	1.7	128	<6	44.0
MAR
15...	0.18	E.004n	0.006	0.009	0.29	0.32	0.3	3.1+c	0.3	2.3	138	<6	48.3
APR
28...	--	<0.006	0.006	0.009	0.27	0.33	0.3	3.3+c	1.9	2.4	113	<6	45.4
MAY
27...	--	E.003n	<0.004	0.008	0.30	0.30	0.2	3.7	1.4	2.5	115	<6	43.1
JUN
23...	--	<0.006	E.003n	0.008	0.24	0.30	0.2	3.1	2.4	2.1	116	<6	44.3
SEP
08...	--	<0.006	E.003n	0.008	0.30	0.28	0.2	2.6	1.0	1.9	136	<6	55.2

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

Date	Selen- ium, water, fltrd, ug/L (01145)	Stront- ium, water, fltrd, ug/L (01080)	Vanad- ium, water, fltrd, ug/L (01085)	2,6-Di- ethyl- aniline water fltrd 0.7u GF ug/L (82660)	CIAT, water, fltrd, ug/L (04040)	Aceto- chlor, water, fltrd, ug/L (49260)	Ala- chlor, water, fltrd, ug/L (46342)	alpha- HCH, water, fltrd, ug/L (34253)	Atra- zine, water, fltrd, ug/L (39632)	Azin- phos- methyl, water, fltrd 0.7u GF ug/L (82686)	Ben- flur- alin, water, fltrd 0.7u GF ug/L (82673)	Butyl- ate, water, fltrd, ug/L (04028)	Car- baryl, water, fltrd 0.7u GF ug/L (82680)
NOV
19...	0.8	474	1.4	<0.006	<0.006	<0.006	<0.005	<0.005	E.003t	<0.050	<0.010	<0.004	<0.041
MAR
15...	0.9	484	2.4	<0.006	<0.006	<0.006	<0.005	<0.005	<0.007	<0.050	<0.010	<0.004	<0.041
APR
28...	0.9	501	1.8	<0.006	<0.006	<0.006	<0.005	<0.005	0.008	<0.050	<0.010	<0.004	<0.041
MAY
27...	1.0	482	1.8	<0.006	<0.006	<0.006	<0.005	<0.005	E.006n	<0.050	E.004t	<0.004	<0.041
JUN
23...	0.9	478	1.3	<0.006	<0.006	<0.006	<0.005	<0.005	E.005n	<0.050	<0.010	<0.004	<0.041
SEP
08...	0.7	498	1.5	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r

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

Date	Carbo- furan, water, fltrd 0.7u GF ug/L (82674)	Chlor- pyrifos water, fltrd, ug/L (38933)	cis- Per- methrin water fltrd 0.7u GF ug/L (82687)	Cyana- zine, water, fltrd, ug/L (04041)	DCPA, water fltrd 0.7u GF ug/L (82682)	Diazi- non, water, fltrd, ug/L (39572)	Diel- drin, water, fltrd, ug/L (39381)	Disul- foton, water, fltrd 0.7u GF ug/L (82677)	EPTC, water, fltrd 0.7u GF ug/L (82668)	Ethal- flur- alin, water, fltrd 0.7u GF ug/L (82663)	Etho- prop, water, fltrd 0.7u GF ug/L (82672)	Fonofos water, fltrd, ug/L (04095)	Lindane water, fltrd, ug/L (39341)
NOV
19...	<0.020	<0.005	<0.006	<0.018	<0.003	<0.005	<0.009	<0.02	<0.004	<0.009	<0.005	<0.003	<0.004
MAR
15...	<0.020	<0.005	<0.006	<0.018	<0.003	<0.005	<0.009	<0.02	<0.004	<0.009	<0.005	<0.003	<0.004
APR
28...	<0.020	<0.005	<0.006	<0.018	<0.003	<0.005	<0.009	<0.02	<0.004	<0.009	<0.005	<0.003	<0.004
MAY
27...	<0.020	<0.005	<0.006	<0.018	<0.003	<0.005	<0.009	<0.02	<0.004	<0.009	<0.005	<0.003	<0.004
JUN
23...	<0.020	<0.005	<0.006	<0.018	<0.003	<0.005	<0.009	<0.02	<0.004	<0.009	<0.005	<0.003	<0.004
SEP
08...	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r

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

Date	Linuron water fltrd 0.7u GF ug/L (82666)	Mala- thion, water, fltrd, ug/L (39532)	Methyl para- thion, water, fltrd 0.7u GF ug/L (82667)	Metola- chlor, water, fltrd, ug/L (39415)	Metri- buzin, water, fltrd, ug/L (82630)	Moli- nate, water, fltrd 0.7u GF ug/L (82671)	Naprop- amide, water, fltrd 0.7u GF ug/L (82684)	p,p-' DDE, water, fltrd, ug/L (34653)	Para- thion, water, fltrd, ug/L (39542)	Peb- ulate, water, fltrd 0.7u GF ug/L (82669)	Pendi- meth- alin, water, fltrd 0.7u GF ug/L (82683)	Phorate water fltrd 0.7u GF ug/L (82664)	Propy- zamide, water, fltrd 0.7u GF ug/L (82676)
NOV
19...	<0.035	<0.027	<0.015	E.001t	<0.006	<0.003	<0.007	<0.003	<0.010	<0.004	<0.022	<0.011	<0.004
MAR
15...	<0.035	<0.027	<0.015	<0.013	<0.006	<0.003	<0.007	<0.003	<0.010	<0.004	<0.022	<0.011	<0.004
APR
28...	<0.035	<0.027	<0.015	<0.013	<0.006	<0.003	<0.007	<0.003	<0.010	<0.004	<0.022	<0.011	<0.004
MAY
27...	<0.035	<0.027	<0.015	E.005t	<0.006	<0.003	<0.007	<0.003	<0.010	<0.004	<0.022	<0.011	<0.004
JUN
23...	<0.035	<0.027	<0.015	<0.013	<0.006	<0.003	<0.007	<0.003	<0.010	<0.004	<0.022	<0.011	<0.004
SEP
08...	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r

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

Date	Propa- chlor, water, fltrd, ug/L (04024)	Pro- panil, water, fltrd 0.7u GF ug/L (82679)	Propar- gite, water, fltrd 0.7u GF ug/L (82685)	Sima- zine, water, fltrd, ug/L (04035)	Tebu- thiuron water fltrd 0.7u GF ug/L (82670)	Terba- cil, water, fltrd 0.7u GF ug/L (82665)	Terbu- fos, water, fltrd 0.7u GF ug/L (82675)	Thio- bencarb water fltrd 0.7u GF ug/L (82681)	Tri- allate, water, fltrd 0.7u GF ug/L (82678)	Tri- flur- alin, water, fltrd 0.7u GF ug/L (82661)	Suspnd. sedi- ment, sieve diametr percent <.063mm (70331)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment dis- charge, tons/d (80155)
NOV
19...	<0.025	<0.011	<0.02	<0.005	<0.02	<0.034	<0.02	<0.010	<0.002	<0.009	--b	--b	--
MAR
15...	<0.025	<0.011	<0.02	<0.005	<0.02	<0.034	<0.02	<0.010	<0.002	<0.009	99	1	43
APR
28...	<0.025	<0.011	<0.02	<0.005	<0.02	<0.034	<0.02	<0.010	<0.002	<0.009	93	2	91
MAY
27...	<0.025	<0.011	<0.02	<0.005	<0.02	<0.034	<0.02	<0.010	<0.002	<0.009	100	1	51
JUN
23...	<0.025	<0.011	<0.02	<0.005	<0.02	<0.034	<0.02	<0.010	<0.002	<0.009	98	3	156
SEP
08...	--r	--r	--r	--r	--r	--r	--r	--r	--r	--r	99	3	124
Remark codes used in this table: < -- Less than E -- Estimated value
Value qualifier codes used in this table: + -- Improper preservation @ -- Holding time exceeded c -- See laboratory comment n -- Below the LRL and above the LT-MDL t -- Below the long-term MDL
Null value qualifier codes used in this table: b -- Sample broken/spilled in shipment r -- Sample ruined in preparation

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

Date	Time	Dis- solved oxygen, mg/L (00300)	pH, water, unfltrd field, std units (00400)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, water, deg C (00010)	Loca- tion in X-sect. looking dwnstrm ft from l bank (00009)
NOV
19...	1031	10.4	8.2	647	6.2	100
19...	1032	10.8	8.1	647	6.2	210
19...	1033	10.3	8.2	642	6.2	320
MAR
15...	0945	12.2	7.9	664	1.3	240
15...	0946	12.0	8.1	666	1.2	360
15...	0947	12.0	8.2	666	1.2	120
APR
28...	1020	13.1	7.8	638	4.4	240
28...	1040	12.8	8.1	639	4.5	360
28...	1100	12.7	8.1	638	4.4	120
MAY
27...	1040	11.8	8.5	637	7.4	240
27...	1041	11.8	8.3	636	7.4	360
27...	1042	12.2	8.3	637	7.5	120
JUN
23...	0941	10.8	8.4	611	12.5	95.0
23...	0942	10.6	8.4	611	12.2	200
23...	0943	10.5	8.4	610	12.2	325
SEP
08...	1056	7.5	8.4	613	16.0	240
08...	1057	7.4	8.4	613	16.0	360
08...	1058	7.5	8.4	613	16.0	120

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