CA Drinking Water Watch

CORNERSTONE SONOMA (4901275)

All Sampling Results From To

WELL 01 (CA4901275_001_001)

Click to hide / show columns: Analyte Number | Analyte Name | Sampling Date | Detected Level | Less Than | RL | Counting Error (+/-) | MCL | DLR | Unit | Lab Sample ID | Lab | ELAP | Method |

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Analyte Number Analyte Name Sampling Date Results Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
Detected Level Less Than RL
Analyte Number Analyte Name Sampling Date Detected Level Less Than RL Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
1040 NITRATE 03-24-2023 1.8 0.4 10 .4 MG/L 323-6272 BRELJE & RACE LABORATORIES, INC 1243 EPA 300.0
1041 NITRITE 12-27-2021 < 0.4 1 .4 MG/L 1221-26710 BRELJE & RACE LABORATORIES, INC 1243 EPA 300.0
1040 NITRATE 03-08-2021 0.7000000 0.4 10 .4 MG/L 53980012103081430N BRELJE & RACE LABORATORIES, INC 1243
1040 NITRATE 03-06-2020 1.5000000 0.4 10 .4 MG/L 53980012003061200N CALTEST ANALYTICAL LABORATORY 1664
1040 NITRATE 03-27-2019 1.6000000 0.4 10 .4 MG/L 53980011903270915N CALTEST ANALYTICAL LABORATORY 1664
1041 NITRITE 12-10-2018 < 0.4 1 .4 MG/L 53980011812101138N CALTEST ANALYTICAL LABORATORY 1664
1040 NITRATE 03-05-2018 1.5000000 0.4 10 .4 MG/L 53980011803051202N CALTEST ANALYTICAL LABORATORY 1664
1040 NITRATE 04-29-2016 0.7800000 0.4 10 .4 MG/L 53980011604290925N CALTEST ANALYTICAL LABORATORY 1664
C255 NITRATE (AS NO3) 06-12-2015 1.4000000 2 45 2 MG/L 53980011506120645N CALTEST ANALYTICAL LABORATORY 1664
1041 NITRITE 06-12-2015 < 400 1000 400 UG/L 53980011506120645N CALTEST ANALYTICAL LABORATORY 1664
1025 FLUORIDE 06-12-2015 < 0.1 2 .1 MG/L 53980011506120645I CALTEST ANALYTICAL LABORATORY 1664
1928 ALKALINITY, BICARBONATE 06-12-2015 232.0000000 MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1919 CALCIUM 06-12-2015 24.0000000 MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1929 ALKALINITY, CARBONATE 06-12-2015 < MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1925 PH 06-12-2015 7.4000000 pH 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1021 HYDROXIDE AS CALCIUM CARBONATE 06-12-2015 < MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1028 IRON 06-12-2015 < 100 300 100 UG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1032 MANGANESE 06-12-2015 41.0000000 20 50 20 UG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1927 ALKALINITY, TOTAL 06-12-2015 190.0000000 MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1052 SODIUM 06-12-2015 69.0000000 MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1915 HARDNESS, TOTAL (AS CACO3) 06-12-2015 120.0000000 MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
1031 MAGNESIUM 06-12-2015 14.0000000 MG/L 53980011506120645G CALTEST ANALYTICAL LABORATORY 1664
C255 NITRATE (AS NO3) 04-03-2014 2.6000000 2 45 2 MG/L 53980011404031354N CALTEST ANALYTICAL LABORATORY 1664
1041 NITRITE 04-03-2014 < 400 1000 400 UG/L 53980011404031354N CALTEST ANALYTICAL LABORATORY 1664
C255 NITRATE (AS NO3) 04-10-2013 3.5000000 2 45 2 MG/L 53980011304100835N CALTEST ANALYTICAL LABORATORY 1664
C255 NITRATE (AS NO3) 05-03-2012 3.3000000 2 45 2 MG/L 53980011205031200N CALTEST ANALYTICAL LABORATORY 1664
C255 NITRATE (AS NO3) 04-05-2011 9.6000000 2 45 2 MG/L 53980011104051245N CALTEST ANALYTICAL LABORATORY 1664

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.