QUINNIPIAC RIVER BASIN 01196222 QUINNIPIAC RIVER NEAR MERIDEN, CT LOCATION.--Lat 41×31’45”, long 72×51’50”, New Haven County, Hydrologic Unit 01100004, at bridge on Cheshire Street, 3 mi west of Meriden, and 1.7 mi upstream from Hanover Pond. DRAINAGE AREA.--69.6 mi2. PERIOD OF RECORD.--Water year 1974 to current year. REMARKS.--The instantaneous record values will not necessarily fall within the corresponding daily range of the continuous records. WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 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 23... 1210 50 361 7.4 13.5 9.5 1.5 9.4 81 1200 228 DEC 07... 1500 57 351 7.8 17.5 11.0 1.4 10.8 99 2200 140 FEB 08... 1410 214 249 7.4 5.0 3.5 2.9 13.7 103 1300 240 APR 06... 1340 141 282 8.1 16.0 11.0 1.2 12.9 116 K240 80 JUN 07... 1240 57 358 7.4 34.5 18.5 4.0 7.8 84 200 144 JUL 06... 1300 42 377 7.4 34.0 24.5 4.0 6.5 79 440 152 AUG 18... 1315 24 441 7.5 27.0 23.0 2.6 7.0 82 420 152 SEP 15... 1330 50 389 7.4 21.0 18.5 2.6 8.0 86 460 308 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 23... 110 35 5.3 25 3.7 0 81 66 20 38 .14 DEC 07... 110 35 5.4 21 3.2 0 85 70 17 37 .13 FEB 08... 69 22 3.6 18 1.6 0 55 45 12 35 <.10 APR 06... 87 28 4.4 18 1.9 0 73 60 14 32 <.10 JUN 07... 120 39 5.6 24 3.3 0 90 74 17 42 .17 JUL 06... 110 37 5.5 24 3.6 0 88 72 17 42 .20 AUG 18... 130 43 6.4 31 5.5 0 96 79 19 51 .23 SEP 15... 120 38 5.6 27 4.4 0 85 70 24 46 .21 QUINNIPIAC RIVER BASIN 01196222 QUINNIPIAC RIVER NEAR MERIDEN, CT--Continued WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 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 23... 14 221 214 <.010 4.92 .025 .37 .39 .28 5.3 DEC 07... 12 202 213 .010 4.61 .022 .46 .48 .25 5.1 FEB 08... 11 149 156 <.010 1.73 .062 .20 .27 .23 2.0 APR 06... 9.3 164 175 <.010 2.07 <.020 -- .29 .20 2.4 JUN 07... 14 248 260 .127 5.52 .147 .58 .73 .53 6.3 JUL 06... 14 266 235 .059 5.15 .046 .56 .61 .50 5.8 AUG 18... 15 266 271 .011 6.85 .023 .50 .52 .44 7.4 SEP 15... 14 237 238 <.010 5.98 .032 .42 .45 .43 6.4 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 23... .604 .671 .527 3.7 <1.0 102 <1.0 <1.0 <1.0 <1.0 DEC 07... .589 .520 .508 4.4 <1.0 102 <1.0 <1.0 <1.0 <1.0 FEB 08... .136 .119 .109 11 <1.0 68 <1.0 <1.0 <1.0 <1.0 APR 06... .216 .186 .160 13 <1.0 82 <1.0 <1.0 <1.0 <1.0 JUN 07... .659 .638 .560 5.8 <1.0 107 <1.0 <1.0 <1.0e <1.0 JUL 06... .729 .726 .693 6.9 <1.0 106 <1.0 <1.0 <1.0 <1.0 AUG 18... 1.01 .266 .958 6.4 <1.0 112 <1.0 <1.0 <1.0 1.4 SEP 15... .781 .810 .774 5.2 <1.0 110 <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 23... 2.8 61 <1.0 65 <1.0 2.8 <1.0 18 <1.0 4.3 DEC 07... 2.9 76 <1.0 46 <1.0 1.8 <1.0 19 <1.0 4.5 FEB 08... 1.7 82 <1.0 65 <1.0 1.3 <1.0 15 <1.0 3.2 APR 06... 2.0 110 <1.0 68 <1.0 1.0 <1.0 10 <1.0 3.7 JUN 07... 3.5 87 <1.0 69 <1.0 1.0 <1.0 15 <1.0 4.3 JUL 06... 22 49 <1.0 63 <1.0 1.7 <1.0 12 <1.0 -- AUG 18... 4.5 19 <1.0 62 1.2 2.3 <1.0 18 <1.0 4.1 SEP 15... 4.3 46 <1.0 101 1.6 2.0 <1.0 17 <1.0 3.7 QUINNIPIAC RIVER BASIN 01196222 QUINNIPIAC RIVER NEAR MERIDEN, CT--Continued REMARKS--Continuous water-quality monitoring equipment was used to collect additional data for short periods at this station. May to June deployment: Temperature and pH records rated excellent; turbidity and specific conductance records good; dissolved oxygen records rated fair. August deployment: All records rated excellent, except for dissolved oxygen records, which are rated good. [--, data not available due to partial record] Date Specific conductance (ms/cm) pH (Standard units) Water temperature (degrees Celsius) Turbidity (NTU) Dissolved oxygen (mg/L) Max Min Mean Max Min Max Min Mean Max Min Mean Max Min Mean 05-28-99 -- -- -- 7.3 7.3 16.5 -- -- -- -- -- 8.1 -- -- 05-29-99 308 300 304 7.3 7.3 17.5 14.5 16.0 5.7 1.8 3.4 7.9 6.8 7.4 05-30-99 313 308 310 7.3 7.3 18.5 16.0 17.0 4.6 .60 2.4 7.6 6.5 7.0 05-31-99 319 312 315 7.3 7.3 19.5 16.5 18.0 4.2 .60 2.0 7.3 6.4 6.8 06-01-99 333 318 321 7.3 7.3 19.5 17.0 18.5 5.4 .50 2.3 7.2 6.3 6.7 06-02-99 326 323 324 7.3 7.3 20.0 18.0 19.0 5.3 1.0 2.5 6.9 6.1 6.4 06-03-99 335 324 328 7.3 7.3 20.5 18.5 19.0 6.1 1.6 3.0 6.7 5.9 6.3 06-04-99 336 327 330 7.3 7.3 19.5 17.5 18.5 12 2.0 5.0 7.1 5.9 6.5 06-05-99 349 331 341 7.3 7.3 18.5 16.0 17.0 6.4 2.0 3.8 7.5 6.3 6.9 06-06-99 355 334 344 7.4 7.3 18.5 15.5 17.0 11 2.5 5.2 7.6 6.6 7.0 06-07-99 342 334 338 7.3 7.3 20.5 17.0 18.5 9.9 1.1 4.3 7.1 6 6.6 06-08-99 341 334 337 7.3 7.3 22.0 19.0 20.0 7.6 1.0 2.8 6.6 5.7 6.1 06-09-99 343 335 338 7.3 7.3 -- 19.0 -- -- -- -- 6.3 5.5 6.0 08-06-99 471 -- -- 7.6 7.4 22.0 -- -- -- -- -- 8.9 -- -- 08-07-99 476 438 459 7.6 7.5 22.0 20.5 21.0 6.4 1.6 3.0 8.8 6.8 7.8 08-08-99 475 437 456 7.6 7.4 21.5 20.5 21.0 6.4 2.4 3.6 8.0 6.8 7.4 08-09-99 462 427 445 7.6 7.4 21.5 20.0 20.5 6.5 1.6 3.5 8.5 6.7 7.6 08-10-99 454 419 439 7.6 7.4 20.0 18.0 19.0 5.4 1.5 3.0 8.9 7.0 8.0 08-11-99 479 429 457 7.5 7.4 19.5 19.0 19.5 6.5 1.7 3.1 8.5 7.1 7.8 08-12-99 486 454 471 7.6 7.4 21.5 19.5 20.5 7.9 1.4 2.8 8.9 7.1 8.0 08-13-99 478 444 463 7.6 7.4 23.0 21.0 22.0 5.3 1.2 2.5 8.6 6.8 7.8 08-14-99 475 429 457 7.5 7.3 23.0 22.0 22.5 6.0 1.5 3.0 8.0 6.4 7.1 08-15-99 437 389 419 7.4 7.2 22.0 20.5 21.0 6.0 1.7 3.7 7.6 6.4 7.0 08-16-99 -- 389 -- -- 7.3 -- 19.5 -- -- -- -- -- 6.6 -- QUINNIPIAC RIVER BASIN 01196222 QUINNIPIAC RIVER NEAR MERIDEN, CT--Continued QUINNIPIAC RIVER BASIN 01196222 QUINNIPIAC RIVER NEAR MERIDEN, CT--Continued blank page