CA Drinking Water Watch

HIDDEN VALLEY LAKE CSD (1710015)

All Sampling Results From To

DBP-1566...* (CA1710015_DST_005)

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
2950 TTHM 09-06-2023 14.76 1 80 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2944 DIBROMOCHLOROMETHANE 09-06-2023 5.52 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2943 BROMODICHLOROMETHANE 09-06-2023 3.89 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2942 BROMOFORM 09-06-2023 2.62 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2941 CHLOROFORM 09-06-2023 2.73 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-06-2023 1.4 1 60 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2454 DIBROMOACETIC ACID 09-06-2023 1.4 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2453 MONOBROMOACETIC ACID 09-06-2023 < 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2452 TRICHLOROACETIC ACID 09-06-2023 < 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2451 DICHLOROACETIC ACID 09-06-2023 < 1 1 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2450 MONOCHLOROACETIC ACID 09-06-2023 < 2 2 UG/L 23I0982-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2950 TTHM 10-26-2022 13.84 1 80 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2944 DIBROMOCHLOROMETHANE 10-26-2022 5.43 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2943 BROMODICHLOROMETHANE 10-26-2022 2.73 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2942 BROMOFORM 10-26-2022 3.88 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2941 CHLOROFORM 10-26-2022 1.80 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-26-2022 2.0 1 60 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2454 DIBROMOACETIC ACID 10-26-2022 2.0 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2453 MONOBROMOACETIC ACID 10-26-2022 < 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2452 TRICHLOROACETIC ACID 10-26-2022 < 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2451 DICHLOROACETIC ACID 10-26-2022 < 1 1 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2450 MONOCHLOROACETIC ACID 10-26-2022 < 2 2 UG/L 22J3527-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2950 TTHM 10-27-2021 8.74 1 80 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2944 DIBROMOCHLOROMETHANE 10-27-2021 3.82 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2943 BROMODICHLOROMETHANE 10-27-2021 1.34 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2942 BROMOFORM 10-27-2021 3.58 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2941 CHLOROFORM 10-27-2021 < 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-27-2021 2.6 1 60 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2454 DIBROMOACETIC ACID 10-27-2021 2.6 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2453 MONOBROMOACETIC ACID 10-27-2021 < 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2452 TRICHLOROACETIC ACID 10-27-2021 < 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2451 DICHLOROACETIC ACID 10-27-2021 < 1 1 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2450 MONOCHLOROACETIC ACID 10-27-2021 < 2 2 UG/L 21J3589-01 ALPHA ANALYTICAL LABORATORIES UKIAH 1551 EPA 552.2
2943 BROMODICHLOROMETHANE 10-07-2020 1.4000000 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2451 DICHLOROACETIC ACID 10-07-2020 < 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2454 DIBROMOACETIC ACID 10-07-2020 1.6000000 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 10-07-2020 2.2000000 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2450 MONOCHLOROACETIC ACID 10-07-2020 < 2 2 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2942 BROMOFORM 10-07-2020 2.0100000 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-07-2020 1.6000000 60 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 10-07-2020 < 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2950 TTHM 10-07-2020 5.6100000 80 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2941 CHLOROFORM 10-07-2020 < 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2453 MONOBROMOACETIC ACID 10-07-2020 < 1 1 UG/L 20140052010070840D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2450 MONOCHLOROACETIC ACID 08-29-2019 < 2 2 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2451 DICHLOROACETIC ACID 08-29-2019 < 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2453 MONOBROMOACETIC ACID 08-29-2019 < 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2941 CHLOROFORM 08-29-2019 < 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 08-29-2019 < 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2942 BROMOFORM 08-29-2019 2.2200000 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2943 BROMODICHLOROMETHANE 08-29-2019 1.4100000 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2454 DIBROMOACETIC ACID 08-29-2019 1.9000000 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-29-2019 1.9000000 60 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2950 TTHM 08-29-2019 6.5200000 80 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 08-29-2019 2.8900000 1 1 UG/L 20140051908290755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 08-22-2018 < 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 08-22-2018 1.5300000 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2950 TTHM 08-22-2018 2.6400000 80 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2942 BROMOFORM 08-22-2018 1.1100000 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2453 MONOBROMOACETIC ACID 08-22-2018 < 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2454 DIBROMOACETIC ACID 08-22-2018 1.6000000 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2450 MONOCHLOROACETIC ACID 08-22-2018 < 2 2 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-22-2018 1.6000000 60 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2943 BROMODICHLOROMETHANE 08-22-2018 < 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2941 CHLOROFORM 08-22-2018 < 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2451 DICHLOROACETIC ACID 08-22-2018 < 1 1 UG/L 20140051808220937D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-21-2017 < 60 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2454 DIBROMOACETIC ACID 08-21-2017 < 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2450 MONOCHLOROACETIC ACID 08-21-2017 < 2 2 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2943 BROMODICHLOROMETHANE 08-21-2017 1.4800000 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2950 TTHM 08-21-2017 6.4000000 80 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 08-21-2017 2.1400000 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 08-21-2017 < 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2941 CHLOROFORM 08-21-2017 1.3400000 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2942 BROMOFORM 08-21-2017 1.4400000 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2453 MONOBROMOACETIC ACID 08-21-2017 < 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2451 DICHLOROACETIC ACID 08-21-2017 < 1 1 UG/L 20140051708210755D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2941 CHLOROFORM 08-17-2016 1.8000000 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2943 BROMODICHLOROMETHANE 08-17-2016 < 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2950 TTHM 08-17-2016 1.8000000 80 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2454 DIBROMOACETIC ACID 08-17-2016 < 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-17-2016 < 60 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2451 DICHLOROACETIC ACID 08-17-2016 < 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 08-17-2016 < 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 08-17-2016 < 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2450 MONOCHLOROACETIC ACID 08-17-2016 < 2 2 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2453 MONOBROMOACETIC ACID 08-17-2016 < 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2942 BROMOFORM 08-17-2016 < 1 1 UG/L 20140051608170833D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2950 TTHM 08-19-2015 1.4700000 80 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2942 BROMOFORM 08-19-2015 1.4700000 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2943 BROMODICHLOROMETHANE 08-19-2015 < 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-19-2015 < 60 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 08-19-2015 < 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2453 MONOBROMOACETIC ACID 08-19-2015 < 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2941 CHLOROFORM 08-19-2015 < 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 08-19-2015 < 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2454 DIBROMOACETIC ACID 08-19-2015 < 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2451 DICHLOROACETIC ACID 08-19-2015 < 1 1 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2450 MONOCHLOROACETIC ACID 08-19-2015 < 2 2 UG/L 20140051508190836D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2943 BROMODICHLOROMETHANE 08-27-2014 2.2500000 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2450 MONOCHLOROACETIC ACID 08-27-2014 < 2 2 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2454 DIBROMOACETIC ACID 08-27-2014 < 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-27-2014 < 1 60 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2453 MONOBROMOACETIC ACID 08-27-2014 < 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2451 DICHLOROACETIC ACID 08-27-2014 < 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2950 TTHM 08-27-2014 7.7800000 80 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2941 CHLOROFORM 08-27-2014 < 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 08-27-2014 2.4900000 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2452 TRICHLOROACETIC ACID 08-27-2014 < 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2942 BROMOFORM 08-27-2014 3.0400000 1 1 UG/L 20140051408270850D ALPHA ANALYTICAL LABORATORIES UKIAH 1551
2944 DIBROMOCHLOROMETHANE 08-28-2013 2.6000000 1 1 UG/L 20140051308280823D BRELJE & RACE LABORATORIES, INC 1243
2943 BROMODICHLOROMETHANE 08-28-2013 1.1000000 1 1 UG/L 20140051308280823D BRELJE & RACE LABORATORIES, INC 1243
2942 BROMOFORM 08-28-2013 2.5000000 1 1 UG/L 20140051308280823D BRELJE & RACE LABORATORIES, INC 1243
2950 TTHM 08-28-2013 6.8000000 80 UG/L 20140051308280823D BRELJE & RACE LABORATORIES, INC 1243
2941 CHLOROFORM 08-28-2013 0.5600000 1 1 UG/L 20140051308280823D BRELJE & RACE LABORATORIES, INC 1243
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-28-2013 1.1400000 60 UG/L 20140051308280824D ALS GLOBAL USA, CORP. 1237
2450 MONOCHLOROACETIC ACID 08-28-2013 < 2 2 UG/L 20140051308280824D ALS GLOBAL USA, CORP. 1237
2452 TRICHLOROACETIC ACID 08-28-2013 < 1 1 UG/L 20140051308280824D ALS GLOBAL USA, CORP. 1237
2453 MONOBROMOACETIC ACID 08-28-2013 < 1 1 UG/L 20140051308280824D ALS GLOBAL USA, CORP. 1237
2454 DIBROMOACETIC ACID 08-28-2013 1.1400000 1 1 UG/L 20140051308280824D ALS GLOBAL USA, CORP. 1237
2451 DICHLOROACETIC ACID 08-28-2013 < 1 1 UG/L 20140051308280824D ALS GLOBAL USA, CORP. 1237

*Please refer to the Stage 2 DBP Monitoring Plan Approval Letter for full sample point names.
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.