CA Drinking Water Watch

CWSC OAK HILLS (2710019)

All Sampling Results From To

9863 LOS...* (CA2710019_DST_802)

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
2944 DIBROMOCHLOROMETHANE 09-13-2023 9.3 0.5 1 UG/L 230706-0970 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2942 BROMOFORM 09-13-2023 11 0.5 1 UG/L 230706-0970 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2941 CHLOROFORM 09-13-2023 < 0.5 1 UG/L 230706-0970 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2950 TTHM 09-13-2023 23 4 80 UG/L 230706-0970 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2943 BROMODICHLOROMETHANE 09-13-2023 2.5 0.5 1 UG/L 230706-0970 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-13-2023 2.7 2 60 UG/L AGI1847-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 09-13-2023 2.7 1 1 UG/L AGI1847-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 09-13-2023 < 1 1 UG/L AGI1847-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 09-13-2023 < 1 1 UG/L AGI1847-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 09-13-2023 < 1 1 UG/L AGI1847-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 09-13-2023 < 2 2 UG/L AGI1847-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-08-2022 < 2 60 UG/L AFI0944-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 09-08-2022 1.6 1 1 UG/L AFI0944-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 09-08-2022 < 1 1 UG/L AFI0944-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 09-08-2022 < 1 1 UG/L AFI0944-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 09-08-2022 < 1 1 UG/L AFI0944-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 09-08-2022 < 2 2 UG/L AFI0944-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2944 DIBROMOCHLOROMETHANE 09-08-2022 4.7 0.5 1 UG/L 220721-0099 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2943 BROMODICHLOROMETHANE 09-08-2022 1.3 0.5 1 UG/L 220721-0099 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2942 BROMOFORM 09-08-2022 6.7 0.5 1 UG/L 220721-0099 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2941 CHLOROFORM 09-08-2022 < 0.5 1 UG/L 220721-0099 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2950 TTHM 09-08-2022 13 4 80 UG/L 220721-0099 CALIFORNIA WATER SERVICE CO. 1621 EPA 524.2
2950 TTHM 09-13-2021 9.5 0.5 80 UG/L 202109140559 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 524.2
2944 DIBROMOCHLOROMETHANE 09-13-2021 3.5 0.5 1 UG/L 202109140559 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 524.2
2943 BROMODICHLOROMETHANE 09-13-2021 1.3 0.5 1 UG/L 202109140559 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 524.2
2942 BROMOFORM 09-13-2021 4.7 0.5 1 UG/L 202109140559 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 524.2
2941 CHLOROFORM 09-13-2021 < 0.5 1 UG/L 202109140559 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-13-2021 < 2 60 UG/L 202109140560 EUROFINS EATON ANALYTICAL POMONA 2813 SM 6251 B
2454 DIBROMOACETIC ACID 09-13-2021 1.1 1 1 UG/L 202109140560 EUROFINS EATON ANALYTICAL POMONA 2813 SM 6251 B
2453 MONOBROMOACETIC ACID 09-13-2021 < 1 1 UG/L 202109140560 EUROFINS EATON ANALYTICAL POMONA 2813 SM 6251 B
2452 TRICHLOROACETIC ACID 09-13-2021 < 1 1 UG/L 202109140560 EUROFINS EATON ANALYTICAL POMONA 2813 SM 6251 B
2451 DICHLOROACETIC ACID 09-13-2021 < 1 1 UG/L 202109140560 EUROFINS EATON ANALYTICAL POMONA 2813 SM 6251 B
2450 MONOCHLOROACETIC ACID 09-13-2021 < 2 2 UG/L 202109140560 EUROFINS EATON ANALYTICAL POMONA 2813 SM 6251 B
2950 TTHM 09-14-2020 8.3000000 80 UG/L 31818022009141002D CALIFORNIA WATER SERVICE CO. 1621
2943 BROMODICHLOROMETHANE 09-14-2020 < 1 1 UG/L 31818022009141002D CALIFORNIA WATER SERVICE CO. 1621
2941 CHLOROFORM 09-14-2020 < 1 1 UG/L 31818022009141002D CALIFORNIA WATER SERVICE CO. 1621
2942 BROMOFORM 09-14-2020 5.2000000 1 1 UG/L 31818022009141002D CALIFORNIA WATER SERVICE CO. 1621
2944 DIBROMOCHLOROMETHANE 09-14-2020 3.1000000 1 1 UG/L 31818022009141002D CALIFORNIA WATER SERVICE CO. 1621
2450 MONOCHLOROACETIC ACID 09-14-2020 < 2 2 UG/L 31818022009141003D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 09-14-2020 < 1 1 UG/L 31818022009141003D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 09-14-2020 < 1 1 UG/L 31818022009141003D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 09-14-2020 1.9000000 1 1 UG/L 31818022009141003D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-14-2020 < 60 UG/L 31818022009141003D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 09-14-2020 < 1 1 UG/L 31818022009141003D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 09-10-2019 7.3700000 80 UG/L 31818021909101352D CALIFORNIA WATER SERVICE CO. 1621
2941 CHLOROFORM 09-10-2019 < 1 1 UG/L 31818021909101352D CALIFORNIA WATER SERVICE CO. 1621
2942 BROMOFORM 09-10-2019 4.0500000 1 1 UG/L 31818021909101352D CALIFORNIA WATER SERVICE CO. 1621
2943 BROMODICHLOROMETHANE 09-10-2019 0.7900000 1 1 UG/L 31818021909101352D CALIFORNIA WATER SERVICE CO. 1621
2944 DIBROMOCHLOROMETHANE 09-10-2019 2.5300000 1 1 UG/L 31818021909101352D CALIFORNIA WATER SERVICE CO. 1621
2452 TRICHLOROACETIC ACID 09-10-2019 < 1 1 UG/L 31818021909101354D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 09-10-2019 < 1 1 UG/L 31818021909101354D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 09-10-2019 < 1 1 UG/L 31818021909101354D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 09-10-2019 1.4000000 1 1 UG/L 31818021909101354D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-10-2019 < 60 UG/L 31818021909101354D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 09-10-2019 < 2 2 UG/L 31818021909101354D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 09-17-2018 2.4900000 1 1 UG/L 31818021809170856D CALIFORNIA WATER SERVICE CO. 1621
2950 TTHM 09-17-2018 7.8000000 80 UG/L 31818021809170856D CALIFORNIA WATER SERVICE CO. 1621
2942 BROMOFORM 09-17-2018 4.5800000 1 1 UG/L 31818021809170856D CALIFORNIA WATER SERVICE CO. 1621
2943 BROMODICHLOROMETHANE 09-17-2018 0.6400000 1 1 UG/L 31818021809170856D CALIFORNIA WATER SERVICE CO. 1621
2941 CHLOROFORM 09-17-2018 < 1 1 UG/L 31818021809170856D CALIFORNIA WATER SERVICE CO. 1621
2453 MONOBROMOACETIC ACID 09-17-2018 < 1 1 UG/L 31818021809170949D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 09-17-2018 1.9000000 1 1 UG/L 31818021809170949D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 09-17-2018 < 2 2 UG/L 31818021809170949D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-17-2018 < 60 UG/L 31818021809170949D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 09-17-2018 < 1 1 UG/L 31818021809170949D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 09-17-2018 < 1 1 UG/L 31818021809170949D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 09-12-2017 < 2 2 UG/L 31818021709121034D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-12-2017 < 60 UG/L 31818021709121034D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 09-12-2017 < 1 1 UG/L 31818021709121034D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 09-12-2017 < 1 1 UG/L 31818021709121034D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 09-12-2017 < 1 1 UG/L 31818021709121034D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 09-12-2017 1.4000000 1 1 UG/L 31818021709121034D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 09-12-2017 1.6000000 1 1 UG/L 31818021709121035D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 09-12-2017 2.7000000 1 1 UG/L 31818021709121035D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 09-12-2017 < 1 1 UG/L 31818021709121035D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 09-12-2017 4.3000000 80 UG/L 31818021709121035D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 09-12-2017 < 1 1 UG/L 31818021709121035D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 09-13-2016 4.6700000 1 1 UG/L 31818021609130903D CALIFORNIA WATER SERVICE CO. 1621
2950 TTHM 09-13-2016 9.2000000 80 UG/L 31818021609130903D CALIFORNIA WATER SERVICE CO. 1621
2943 BROMODICHLOROMETHANE 09-13-2016 1.0200000 1 1 UG/L 31818021609130903D CALIFORNIA WATER SERVICE CO. 1621
2941 CHLOROFORM 09-13-2016 < 1 1 UG/L 31818021609130903D CALIFORNIA WATER SERVICE CO. 1621
2944 DIBROMOCHLOROMETHANE 09-13-2016 3.3000000 1 1 UG/L 31818021609130903D CALIFORNIA WATER SERVICE CO. 1621
2453 MONOBROMOACETIC ACID 09-13-2016 < 1 1 UG/L 31818021609131423D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 09-13-2016 1.6000000 1 1 UG/L 31818021609131423D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 09-13-2016 < 1 1 UG/L 31818021609131423D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 09-13-2016 < 2 2 UG/L 31818021609131423D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-13-2016 < 60 UG/L 31818021609131423D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 09-13-2016 < 1 1 UG/L 31818021609131423D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 09-28-2015 0.5700000 1 1 UG/L 31818021509280922D CALIFORNIA WATER SERVICE CO. 1621
2942 BROMOFORM 09-28-2015 4.3600000 1 1 UG/L 31818021509280922D CALIFORNIA WATER SERVICE CO. 1621
2944 DIBROMOCHLOROMETHANE 09-28-2015 2.1400000 1 1 UG/L 31818021509280922D CALIFORNIA WATER SERVICE CO. 1621
2941 CHLOROFORM 09-28-2015 < 1 1 UG/L 31818021509280922D CALIFORNIA WATER SERVICE CO. 1621
2950 TTHM 09-28-2015 7.1000000 80 UG/L 31818021509280922D CALIFORNIA WATER SERVICE CO. 1621
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-28-2015 2.8000000 60 UG/L 31818021509281300D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 09-28-2015 2.8000000 1 1 UG/L 31818021509281300D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 09-28-2015 < 1 1 UG/L 31818021509281300D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 09-28-2015 < 1 1 UG/L 31818021509281300D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 09-28-2015 < 1 1 UG/L 31818021509281300D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 09-28-2015 < 2 2 UG/L 31818021509281300D BSK ANALYTICAL LABORATORIES 1180
1996 TEMPERATURE (CENTIGRADE) 07-13-2015 24.0000000 C 31818021507131428W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 07-13-2015 7.8000000 pH 31818021507131428W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 06-15-2015 7.4000000 pH 31818021506151618W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 06-15-2015 22.0000000 C 31818021506151618W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 05-18-2015 7.9000000 pH 31818021505181500W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 05-18-2015 21.0000000 C 31818021505181500W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 04-20-2015 7.7000000 pH 31818021504201130W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 04-20-2015 20.1000000 C 31818021504201130W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 03-23-2015 7.7000000 pH 31818021503231350W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 03-23-2015 20.0000000 C 31818021503231350W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 02-23-2015 7.2000000 pH 31818021502231605W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 02-23-2015 17.0000000 C 31818021502231605W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 01-26-2015 7.8000000 pH 31818021501261040W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 01-26-2015 17.0000000 C 31818021501261040W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 12-29-2014 16.0000000 C 31818021412291544W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 12-29-2014 7.9000000 pH 31818021412291544W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 12-01-2014 19.0000000 C 31818021412011535W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 12-01-2014 7.3000000 pH 31818021412011535W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 11-03-2014 21.0000000 C 31818021411031355W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 11-03-2014 7.6000000 pH 31818021411031355W CALIFORNIA WATER SERVICE CO. 1621
1996 TEMPERATURE (CENTIGRADE) 10-06-2014 24.0000000 C 31818021410061352W CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 10-06-2014 7.8000000 pH 31818021410061352W CALIFORNIA WATER SERVICE CO. 1621
2454 DIBROMOACETIC ACID 09-15-2014 1.4000000 1 1 UG/L 31818021409151405D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 09-15-2014 < 1 1 UG/L 31818021409151405D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 09-15-2014 < 1 1 UG/L 31818021409151405D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 09-15-2014 < 1 1 UG/L 31818021409151405D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-15-2014 < 60 UG/L 31818021409151405D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 09-15-2014 < 2 2 UG/L 31818021409151405D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 09-15-2014 2.4400000 1 1 UG/L 31818021409151408D CALIFORNIA WATER SERVICE CO. 1621
2941 CHLOROFORM 09-15-2014 < 1 1 UG/L 31818021409151408D CALIFORNIA WATER SERVICE CO. 1621
2943 BROMODICHLOROMETHANE 09-15-2014 0.9300000 1 1 UG/L 31818021409151408D CALIFORNIA WATER SERVICE CO. 1621
2950 TTHM 09-15-2014 6.6000000 80 UG/L 31818021409151408D CALIFORNIA WATER SERVICE CO. 1621
2942 BROMOFORM 09-15-2014 2.9700000 1 1 UG/L 31818021409151408D CALIFORNIA WATER SERVICE CO. 1621
C253 PH, FIELD 09-08-2014 7.8000000 pH 31818021409081435W CALIFORNIA WATER SERVICE CO. 1621

*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.