HOUSATONIC RIVER BASIN 01200600 HOUSATONIC RIVER NEAR NEW MILFORD, CT LOCATION.--Lat 4135'35", long 7327'00", Litchfield County, Hydrologic Unit 01100005, at Boardman Bridge, 2.3 mi northwest of New Milford, 6.9 mi downstream from Tenmile River, 1.9 mi upstream from Aspetuck River and 4.7 mi upstream from Still River. DRAINAGE AREA.--1,022 mi2. PERIOD OF RECORD.--Water years 1962, 1963, 1974 to 1991, 1995 to current year. REMARKS.--Samples for dissolved aluminum and zinc collected from May through September 2000 were reanalyzed because of possible contamination in the lab; those samples that could not be reanalyzed have been updated to the original concentration with a "less-than" (<) data qualifier. WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DIS- SPE- PH OXYGEN, COLI- CHARGE, SPE- CIFIC WATER DIS- FORM, INST. CIFIC CON- WHOLE SOLVED FECAL, CUBIC CON- DUCT- FIELD TEMPER- TEMPER- TUR- OXYGEN, (PER- 0.45 FEET DUCT- ANCE (STAND- ATURE ATURE BID- DIS- CENT UM-MF DATE TIME PER ANCE LAB ARD AIR WATER ITY SOLVED SATUR- (COLS./ SECOND (US/CM) (US/CM) UNITS) (DEG C) (DEG C) (NTU) (MG/L) ATION) 100 ML) (00061) (00095) (90095) (00400) (00020) (00010) (00076) (00300) (00301) (31616) NOV 03... 1220 258 267 276 8.3 12.0 13.0 12 10.4 101 160 JAN 12... 1445 3000 260 262 8.3 5.5 3.0 4.4 13.5 102 110 MAY 15... 1330 2850 242 254 8.0 16.0 15.0 7.1 9.8 97 82 JUL 19... 1415 3500 -- 219 8.0 18.5 20.0 17 9.1 101 180 ENTERO- ENTERO- CAR- BICAR- ALKA- COCCI COCCI HARD- MAGNE- POTAS- BONATE BONATE LINITY ME,MF (MEI) NESS CALCIUM SIUM, SODIUM, SIUM, WATER WATER WAT DIS SULFATE WATER MF 24 TOTAL DIS- DIS- DIS- DIS- DIS IT DIS IT TOT IT DIS- TOTAL HOUR (MG/L SOLVED SOLVED SOLVED SOLVED FIELD FIELD FIELD SOLVED DATE (COL / (COL / AS (MG/L (MG/L (MG/L (MG/L MG/L AS MG/L AS MG/L AS (MG/L 100 ML) 100 ML CACO3) AS CA) AS MG) AS NA) AS K) CO3 HCO3 CACO3 AS SO4) (31649) (90909) (00900) (00915) (00925) (00930) (00935) (00452) (00453) (39086) (00945) NOV 03... 1000 -- 110 28.5 10.1 10.3 1.6 0 122 100 11.1 JAN 12... 116 -- 110 26.8 10.3 9.6 1.4 0 117 96 11.1 MAY 15... -- 35 98 24.7 8.91 8.5 1.2 0 105 86 7.1 JUL 19... -- 108 90 22.8 7.95 7.8 1.2 0 98 80 4.9 SOLIDS, NITRO- NITRO- NITRO- NITRO- NITRO- CHLO- FLUO- SILICA, RESIDUE SOLIDS, GEN, GEN, GEN, NITRO- GEN,AM- GEN,AM- RIDE, RIDE, DIS- AT 180 RESIDUE NITRITE NO2+NO3 AMMONIA GEN, MONIA + MONIA + DIS- DIS- SOLVED DEG. C AT 105 DIS- DIS- DIS- ORGANIC ORGANIC ORGANIC SOLVED SOLVED (MG/L DIS- DEG. C, SOLVED SOLVED SOLVED TOTAL TOTAL DIS. DATE (MG/L (MG/L AS SOLVED TOTAL (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L AS CL) AS F) SIO2) (MG/L) (MG/L) AS N) AS N) AS N) AS N) AS N) AS N) (00940) (00950) (00955) (70300) (00500) (00613) (00631) (00608) (00605) (00625) (00623) NOV 03... 16.5 <.1 3.6 153 160 <.010 .195 <.020 -- .49 .15 JAN 12... 15.0 <.1 4.7 148 153 <.010 .494 .023 .28 .31 .34 MAY 15... 14.9 <.1 3.5 138 148 <.010 .256 .022 .47 .49 .29 JUL 19... 10.6 <.1 4.5 127 142 <.010 .240 .024 .56 .58 .28 PHOS- PHOS- PHORUS ALUM- ANTI- BERYL- CHRO- NITRO- PHOS- PHORUS ORTHO, INUM, MONY, BARIUM, LIUM, CADMIUM MIUM, COBALT, GEN, PHORUS DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- TOTAL TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED DATE (MG/L (MG/L (MG/L (MG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L AS N) AS P) AS P) AS P) AS AL) AS SB) AS BA) AS BE) AS CD) AS CR) AS CO) (00600) (00665) (00666) (00671) (01106) (01095) (01005) (01010) (01025) (01030) (01035) NOV 03... .68 .072 .006 <.010 9 <1 14 <1 <1.0 <.8 <1 JAN 12... .80 .029 .012 <.010 30 <1 11 <1 <1.0 <.8 <1 MAY 15... .74 .048 .012 <.010 <18 <1 11 <1 <1.0 <.8 <1 JUL 19... .82 .089 .025 .014 12 <1 11 <1 <1.0 <.8 <1 HOUSATONIC RIVER BASIN 01200600 HOUSATONIC RIVER NEAR NEW MILFORD, CT--Continued WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 MANGA- MOLYB- URANIUM COPPER, IRON, LEAD, NESE, DENUM, NICKEL, SILVER, ZINC, NATURAL CARBON, DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- ORGANIC SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL DATE (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (MG/L AS CU) AS FE) AS PB) AS MN) AS MO) AS NI) AS AG) AS ZN) AS U) AS C) (01040) (01046) (01049) (01056) (01060) (01065) (01075) (01090) (22703) (00680) NOV 03... <1 70 <1 10 <1 <1 <1 2 <1 9.4 JAN 12... <1 40 <1 13 <1 2 <1 <1 <1 2.9 MAY 15... <1 50 <1 9 <1 <1 <1 <5 <1 6.0 JUL 19... 1 50 <1 3 <1 <1 <1 <1 <1 E6.7