CONNECTICUT RIVER BASIN 01192500 HOCKANUM RIVER NEAR EAST HARTFORD, CT WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1954-55, 1961-62, 1968-69 , October 1991 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) OCT 20... 0940 107 301 309 7.4 9.0 12.0 4.8 10.1 94 900 DEC 21... 1415 173 246 255 7.6 7.0 5.5 2.7 13.0 102 3000 FEB 02... 1400 73 424 423 7.5 -4.0 2.5 3.4 13.9 102 580 APR 27... 1420 280 200 206 7.5 12.0 10.5 3.5 11.3 102 150 JUN 13... 1400 203 212 213 7.1 18.0 17.0 4.1 9.6 99 480 JUL 18... 1320 57 301 314 7.5 25.5 24.5 2.5 8.3 100 420 AUG 22... 1445 45 353 362 8.0 24.0 22.0 -- 10.0 112 240 SEP 19... 1215 38 378 378 7.8 23.5 19.0 4.9 9.6 103 170 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) OCT 20... 960 -- 77 23.7 4.40 24.7 3.5 0 62 51 25.1 DEC 21... 9000 -- 59 17.6 3.58 21.8 2.8 0 46 38 19.8 FEB 02... 84 -- 85 26.0 4.82 44.1 3.4 0 56 46 27.0 APR 27... -- 52 47 14.0 2.91 17.4 2.1 0 32 26 14.6 JUN 13... -- 208 50 15.1 2.98 16.7 2.2 0 39 32 13.4 JUL 18... -- 88 75 23.5 4.05 24.9 3.7 0 55 45 22.2 AUG 22... -- 25 91 28.6 4.78 30.0 4.1 0 68 56 28.2 SEP 19... -- 102 94 29.4 4.87 32.8 4.7 0 73 60 29.9 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) OCT 20... 35.8 .2 10.5 179 191 .017 2.78 .094 .63 .72 .41 DEC 21... 29.8 <.1 10.0 148 151 .015 2.34 .084 .48 .56 .45 FEB 02... 67.3 .2 12.2 241 248 .017 4.32 .116 .42 .54 .47 APR 27... 27.7 .1 8.5 120 119 <.010 1.26 .037 .45 .49 .36 JUN 13... 25.3 .1 8.3 129 129 .015 1.66 .089 .46 .55 .40 JUL 18... 38.0 <.1 9.8 185 187 .021 3.13 .072 .54 .61 .56 AUG 22... 44.1 .2 7.4 210 220 .014 3.49 .046 .59 .64 .48 SEP 19... 43.9 .2 7.1 225 236 .018 4.27 .108 .71 .82 .58 CONNECTICUT RIVER BASIN 01192500 HOCKANUM RIVER NEAR EAST HARTFORD, CT--Continued WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 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) OCT 20... 3.5 .324 .257 .252 6 <1 64 <1 <1.0 <.8 <1 DEC 21... 2.9 .218 .156 .132 18 <1 48 <1 <1.0 <.8 <1 FEB 02... 4.9 .423 .377 .285 15 <1 74 <1 <1.0 <.8 <1 APR 27... 1.7 .153 .112 .083 <25 <1 42 <1 <1.0 E.4 <1 JUN 13... 2.2 .278 .211 .193 <22 <1 43 <1 <1.0 E.7 <1 JUL 18... 3.7 .390 .339 .304 22 <1 64 <1 <1.0 1.1 <1 AUG 22... 4.1 .185 .135 .102 18 <1 69 <1 <1.0 1.2 <1 SEP 19... 5.1 .473 .383 .352 15 <1 73 <1 <1.0 E.6 <1 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) OCT 20... 3 80 <1 74 <1 <1 <1 18 <1 4.7 DEC 21... 4 120 <1 61 <1 <1 <1 14 <1 4.8 FEB 02... 4 100 <1 127 <1 <1 <1 35 <1 3.5 APR 27... 4 120 <1 51 <1 <1 <1 <12 <1 4.6 JUN 13... 5 290 <1 82 2 2 <1 <11 <1 5.1 JUL 18... 4 130 <1 63 2 <1 <1 23 <1 4.9 AUG 22... 4 90 <1 70 2 1 <1 19 <1 4.8 SEP 19... 4 110 <1 108 5 2 <1 26 <1 5.7