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. WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DIS- PH OXYGEN, COLI- ENTERO- CHARGE, SPE- WATER DIS- FORM, COCCI INST. CIFIC WHOLE SOLVED FECAL, ME,MF CUBIC CON- FIELD TEMPER- TEMPER- TUR- OXYGEN, (PER- 0.45 WATER FEET DUCT- (STAND- ATURE ATURE BID- DIS- CENT UM-MF TOTAL DATE TIME PER ANCE ARD AIR WATER ITY SOLVED SATUR- (COLS./ (COL / SECOND (US/CM) UNITS) (DEG C) (DEG C) (NTU) (MG/L) ATION) 100 ML) 100 ML) (00061) (00095) (00400) (00020) (00010) (00076) (00300) (00301) (31616) (31649) NOV 07... 1345 1570 292 8.4 16.0 8.5 1.6 13.2 113 42 K6 JAN 07... 1330 2950 251 8.2 1.0 3.0 3.8 13.7 101 160 22 MAY 16... 1130 3600 252 8.4 14.5 14.0 4.5 10.1 100 34 23 JUL 21... 1315 225 325 8.4 23.5 23.5 4.1 8.5 98 44 20 CAR- BICAR- ALKA- HARD- MAGNE- POTAS- BONATE BONATE LINITY CHLO- NESS CALCIUM SIUM, SODIUM, SIUM, WATER WATER WAT DIS SULFATE RIDE, TOTAL DIS- DIS- DIS- DIS- DIS IT DIS IT TOT IT DIS- DIS- (MG/L SOLVED SOLVED SOLVED SOLVED FIELD FIELD FIELD SOLVED SOLVED DATE AS (MG/L (MG/L (MG/L (MG/L MG/L AS MG/L AS MG/L AS (MG/L (MG/L CACO3) AS CA) AS MG) AS NA) AS K) CO3 HCO3 CACO3 AS SO4) AS CL) (00900) (00915) (00925) (00930) (00935) (00452) (00453) (39086) (00945) (00940) NOV 07... 130 32 12 9.4 1.7 0 142 116 10 15 JAN 07... 110 29 9.9 9.7 1.3 0 111 91 11 15 MAY 16... 110 28 10 8.7 1.1 0 113 93 8.4 13 JUL 21... 140 36 13 12 1.9 0 156 128 10 17 SOLIDS, NITRO- NITRO- NITRO- NITRO- NITRO- FLUO- SILICA, RESIDUE SOLIDS, GEN, GEN, GEN, GEN,AM- GEN,AM- RIDE, DIS- AT 180 RESIDUE NITRITE NO2+NO3 AMMONIA MONIA + MONIA + NITRO- DIS- SOLVED DEG. C AT 105 DIS- DIS- DIS- ORGANIC ORGANIC GEN, SOLVED (MG/L DIS- DEG. C, SOLVED SOLVED SOLVED TOTAL DIS. TOTAL DATE (MG/L AS SOLVED TOTAL (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L AS F) SIO2) (MG/L) (MG/L) AS N) AS N) AS N) AS N) AS N) AS N) (00950) (00955) (70300) (00500) (00613) (00631) (00608) (00625) (00623) (00600) NOV 07... <.10 4.9 159 154 .030 .440 .020 <.20 <.20 -- JAN 07... <.10 4.9 145 162 <.010 .350 .040 <.20 <.20 -- MAY 16... <.10 3.2 141 159 <.010 .242 <.015 <.20 <.20 -- JUL 21... <.10 3.8 190 198 <.010 .164 <.015 .41 <.20 .57 HOUSATONIC RIVER BASIN 01200600 HOUSATONIC RIVER NEAR NEW MILFORD, CT--Continued WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 PHOS- PHOS- PHORUS ALUM- ANTI- BERYL- CHRO- PHOS- PHORUS ORTHO, INUM, MONY, BARIUM, LIUM, CADMIUM MIUM, COBALT, PHORUS DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED DATE (MG/L (MG/L (MG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L (UG/L AS P) AS P) AS P) AS AL) AS SB) AS BA) AS BE) AS CD) AS CR) AS CO) (00665) (00666) (00671) (01106) (01095) (01005) (01010) (01025) (01030) (01035) NOV 07... <.010 <.010 <.010 8.0 <1.0 13 <1.0 <1.0 1.0 <1.0 JAN 07... <.010 <.010 <.010 9.0 <1.0 11 <1.0 <1.0 <1.0 <1.0 MAY 16... <.010 <.010 <.010 13 <1.0 12 <1.0 <1.0 1.7 <1.0 JUL 21... .036 <.010 .014 6.0 <1.0 15 <1.0 <1.0 1.9 <1.0 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 07... <1.0 49 <1.0 14 <1.0 <1.0 <1.0 <1.0 <1.0 2.5 JAN 07... <1.0 40 <1.0 11 <1.0 <1.0 <1.0 <1.0 <1.0 2.5 MAY 16... <1.0 59 <1.0 22 <1.0 <1.0 <1.0 1.1 <1.0 2.1 JUL 21... 1.3 15 <1.0 4.7 <1.0 <1.0 <1.0 <1.0 <1.0 4.7