CONNECTICUT RIVER BASIN 01193500 SALMON RIVER NEAR EAST HAMPTON, CT--Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--September 1953, April 1954, October 1960 to September 1961, June 1968 to current year. PERIOD OF DAILY RECORD.-- SPECIFIC CONDUCTANCE: March 1975 to September 1993 . pH: December 1984 to September 1992. WATER TEMPERATURES: March 1975 to April 1993 . DISSOLVED OXYGEN: January 1985 to September 1992 . SUSPENDED-SEDIMENT DISCHARGE: January 1982 to September 1986, October 1987 to September 1990. INSTANTANEOUS SUSPENDED-SEDIMENT DISCHARGE: March 1987 to September 1987. INSTRUMENTATION.--Water-quality 2-channel mini-monitor March 1975 to September 1984, August 1993 to September 1993. Water-quality 4-channel mini-monitor October 1984 to April 1993. REMARKS.--Unpublished records of iron, specific conductance, and pH of daily samples for 1960-61 available in the office at East Hartford, Conn. Instantaneous records are representative of the cross section while continuous records are based on point samples. The instantaneous record values will not necessarily fall within the corresponding daily range of the continuous records . EXTREMES FOR PERIOD OF DAILY RECORD.-- SPECIFIC CONDUCTANCE: Maximum, 257 microsiemens Jan. 1, 1990; minimum, 23 microsiemens February 23, 1978. pH: Maximum, 8.8 units Oct. 14, 1985, Aug. 9, 18-19, 1987; minimum 6.2 units Dec. 19, 1986, Jan. 24, Mar 13, Sept. 30, 1992. WATER TEMPERATURES: Maximum, 32.0C Aug. 2, 1975; minimum, 0.0C on many days during winter periods. DISSOLVED OXYGEN: Maximum, 17.1 mg/L March 9, 1986; minimum 0.2 mg/L Dec. 3, 1986. SEDIMENT CONCENTRATIONS: Maximum daily mean, 3,870 mg/L June 6, 1982; minimum daily mean, 0 mg/L on numerous days. SEDIMENT LOADS: Maximum daily, 95,400 tons June 6, 1982; minimum daily, 0 tons on numerous days. WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 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) OCT 15... 1145 11 127 7.4 20.0 14.5 .36 10.5 103 K16 30 JAN 08... 0920 431 89 7.1 4.5 4.0 4.8 12.7 98 170 720 APR 09... 1300 225 85 7.3 11.5 9.0 .89 12.9 112 20 K6 JUL 20... 0920 63 94 8.0 27.0 19.5 1.1 9.5 103 60 78 CAR- BICAR- ALKA- HARD- MAGNE- POTAS- BONATE BONATE LINITY CHLO- FLUO- NESS CALCIUM SIUM, SODIUM, SIUM, WATER WATER WAT DIS SULFATE RIDE, RIDE, TOTAL DIS- DIS- DIS- DIS- DIS IT DIS IT TOT IT DIS- DIS- DIS- (MG/L SOLVED SOLVED SOLVED SOLVED FIELD FIELD FIELD SOLVED 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 (MG/L CACO3) AS CA) AS MG) AS NA) AS K) CO3 HCO3 CACO3 AS SO4) AS CL) AS F) (00900) (00915) (00925) (00930) (00935) (00452) (00453) (39086) (00945) (00940) (00950) OCT 15... 26 6.8 2.1 11 2.5 0 22 18 7.7 20 <.10 JAN 08... 18 4.8 1.4 8.0 1.5 0 3 3 9.0 13 <.10 APR 09... 17 4.7 1.3 7.9 1.2 0 10 8 8.2 12 <.10 JUL 20... 20 5.6 1.5 9.0 1.7 0 15 12 7.3 13 <.10 CONNECTICUT RIVER BASIN 01193500 SALMON RIVER NEAR EAST HAMPTON, CT--Continued WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 SOLIDS, NITRO- NITRO- NITRO- NITRO- NITRO- SILICA, RESIDUE SOLIDS, GEN, GEN, GEN, NITRO- GEN,AM- GEN,AM- DIS- AT 180 RESIDUE NITRITE NO2+NO3 AMMONIA GEN, MONIA + MONIA + NITRO- SOLVED DEG. C AT 105 DIS- DIS- DIS- ORGANIC ORGANIC ORGANIC GEN, (MG/L DIS- DEG. C, SOLVED SOLVED SOLVED TOTAL TOTAL DIS. TOTAL DATE AS SOLVED TOTAL (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L SIO2) (MG/L) (MG/L) AS N) AS N) AS N) AS N) AS N) AS N) AS N) (00955) (70300) (00500) (00613) (00631) (00608) (00605) (00625) (00623) (00600) OCT 15... 10 81 84 <.010 <.050 <.015 -- <.20 <.20 -- JAN 08... 7.8 64 60 <.010 .221 <.020 -- .17 .14 .40 APR 09... 6.2 54 54 <.010 .157 .024 .12 .14 .13 .30 JUL 20... 8.5 69 62 <.010 .156 <.020 -- .19 .17 .34 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) OCT 15... .013 <.010 <.010 8.1 <1.0 8.7 <1.0 <1.0 <1.0 <1.0 JAN 08... <.010 <.010 .016 56 <1.0 8.7 <1.0 <1.0 <1.0 <1.0 APR 09... <.010 <.010 <.010 28 <1.0 7.4 <1.0 <1.0 <1.0 <1.0 JUL 20... <.010 <.010 <.010 16 <1.0 7.1 <1.0 <1.0 <1.0 <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) OCT 15... <1.0 46 <1.0 4.6 <1.0 <1.0 <1.0 <1.0 <1.0 3.0 JAN 08... <1.0 110 <1.0 16 <1.0 <1.0 <1.0 2.4 <1.0 7.2 APR 09... <1.0 87 <1.0 11 <1.0 <1.0 <1.0 <1.0 <1.0 3.0 JUL 20... <1.0 100 <1.0 3.3 <1.0 <1.0 <1.0 1.1 <1.0 3.4