CA Drinking Water Watch

ROBERTS INVESTMENTS WATER SYSTEM (1503645)

All Sampling Results From To

ST2S1-SE...* (CA1503645_DST_901)

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 08-15-2023 41 2 80 UG/L 2315874-01 BC LABORATORIES 1186 EPA 524.2
2944 DIBROMOCHLOROMETHANE 08-15-2023 12 0.5 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 524.2
2943 BROMODICHLOROMETHANE 08-15-2023 2.6 0.5 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 524.2
2942 BROMOFORM 08-15-2023 26 0.5 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 524.2
2941 CHLOROFORM 08-15-2023 < 0.5 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-15-2023 8.0 1 60 UG/L 2315874-01 BC LABORATORIES 1186 EPA 552.3
2454 DIBROMOACETIC ACID 08-15-2023 5.6 1 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 552.3
2453 MONOBROMOACETIC ACID 08-15-2023 < 1 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 552.3
2452 TRICHLOROACETIC ACID 08-15-2023 2.5 1 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 552.3
2451 DICHLOROACETIC ACID 08-15-2023 < 1 1 UG/L 2315874-01 BC LABORATORIES 1186 EPA 552.3
2450 MONOCHLOROACETIC ACID 08-15-2023 < 1 2 UG/L 2315874-01 BC LABORATORIES 1186 EPA 552.3
2950 TTHM 08-17-2022 18 2 80 UG/L 2219621-01 BC LABORATORIES 1186 EPA 524.2
2944 DIBROMOCHLOROMETHANE 08-17-2022 3.1 0.5 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 524.2
2943 BROMODICHLOROMETHANE 08-17-2022 0.63 0.5 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 524.2
2942 BROMOFORM 08-17-2022 14 0.5 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 524.2
2941 CHLOROFORM 08-17-2022 < 0.5 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-17-2022 3.3 1 60 UG/L 2219621-01 BC LABORATORIES 1186 EPA 552.3
2454 DIBROMOACETIC ACID 08-17-2022 3.3 1 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 552.3
2453 MONOBROMOACETIC ACID 08-17-2022 < 1 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 552.3
2452 TRICHLOROACETIC ACID 08-17-2022 < 1 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 552.3
2451 DICHLOROACETIC ACID 08-17-2022 < 1 1 UG/L 2219621-01 BC LABORATORIES 1186 EPA 552.3
2450 MONOCHLOROACETIC ACID 08-17-2022 < 1 2 UG/L 2219621-01 BC LABORATORIES 1186 EPA 552.3
2950 TTHM 08-02-2021 2.6 2 80 UG/L 2124524-01 BC LABORATORIES 1186 EPA 524.2
2944 DIBROMOCHLOROMETHANE 08-02-2021 0.95 0.5 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 524.2
2943 BROMODICHLOROMETHANE 08-02-2021 < 0.5 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 524.2
2942 BROMOFORM 08-02-2021 0.97 0.5 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 524.2
2941 CHLOROFORM 08-02-2021 < 0.5 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-02-2021 < 1 60 UG/L 2124524-01 BC LABORATORIES 1186 EPA 552.3
2454 DIBROMOACETIC ACID 08-02-2021 < 1 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 552.3
2453 MONOBROMOACETIC ACID 08-02-2021 < 1 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 552.3
2452 TRICHLOROACETIC ACID 08-02-2021 < 1 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 552.3
2451 DICHLOROACETIC ACID 08-02-2021 < 1 1 UG/L 2124524-01 BC LABORATORIES 1186 EPA 552.3
2450 MONOCHLOROACETIC ACID 08-02-2021 < 1 2 UG/L 2124524-01 BC LABORATORIES 1186 EPA 552.3
2453 MONOBROMOACETIC ACID 08-06-2020 < 1 1 UG/L 17209012008060923D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-06-2020 < 1 1 UG/L 17209012008060923D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-06-2020 < 1 1 UG/L 17209012008060923D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-06-2020 < 1 60 UG/L 17209012008060923D BC LABORATORIES 1186
2950 TTHM 08-06-2020 3.4000000 80 UG/L 17209012008060923D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-06-2020 < 1 2 UG/L 17209012008060923D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-06-2020 < 0.5 1 UG/L 17209012008060923D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-06-2020 < 0.5 1 UG/L 17209012008060923D BC LABORATORIES 1186
2942 BROMOFORM 08-06-2020 2.9000000 1 1 UG/L 17209012008060923D BC LABORATORIES 1186
2941 CHLOROFORM 08-06-2020 < 0.5 1 UG/L 17209012008060923D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-06-2020 < 1 1 UG/L 17209012008060923D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 09-11-2019 < 1 2 UG/L 17209011909110931D BC LABORATORIES 1186
2941 CHLOROFORM 09-11-2019 < 0.5 1 UG/L 17209011909110931D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 09-11-2019 < 1 1 UG/L 17209011909110931D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 09-11-2019 < 1 1 UG/L 17209011909110931D BC LABORATORIES 1186
2942 BROMOFORM 09-11-2019 1.9000000 1 1 UG/L 17209011909110931D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 09-11-2019 < 1 1 UG/L 17209011909110931D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 09-11-2019 1.6000000 1 1 UG/L 17209011909110931D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 09-11-2019 < 0.5 1 UG/L 17209011909110931D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-11-2019 1.6000000 60 UG/L 17209011909110931D BC LABORATORIES 1186
2950 TTHM 09-11-2019 2.4000000 80 UG/L 17209011909110931D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 09-11-2019 < 0.5 1 UG/L 17209011909110931D BC LABORATORIES 1186
2950 TTHM 10-03-2018 16.0000000 80 UG/L 17209011810030902D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 10-03-2018 < 1 1 UG/L 17209011810030902D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 10-03-2018 1.4000000 1 1 UG/L 17209011810030902D BC LABORATORIES 1186
2942 BROMOFORM 10-03-2018 14.0000000 1 1 UG/L 17209011810030902D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 10-03-2018 2.2000000 1 1 UG/L 17209011810030902D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 10-03-2018 < 1 1 UG/L 17209011810030902D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-03-2018 1.4000000 60 UG/L 17209011810030902D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 10-03-2018 < 0.5 1 UG/L 17209011810030902D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 10-03-2018 < 1 2 UG/L 17209011810030902D BC LABORATORIES 1186
2941 CHLOROFORM 10-03-2018 < 0.5 1 UG/L 17209011810030902D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 10-03-2018 < 1 1 UG/L 17209011810030902D BC LABORATORIES 1186
2941 CHLOROFORM 10-25-2017 < 0.5 1 UG/L 17209011710250927D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 10-25-2017 5.0000000 1 1 UG/L 17209011710250927D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 10-25-2017 3.7000000 1 1 UG/L 17209011710250927D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 10-25-2017 < 1 1 UG/L 17209011710250927D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-25-2017 5.0000000 60 UG/L 17209011710250927D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 10-25-2017 0.7100000 1 1 UG/L 17209011710250927D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 10-25-2017 < 1 2 UG/L 17209011710250927D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 10-25-2017 < 1 1 UG/L 17209011710250927D BC LABORATORIES 1186
2942 BROMOFORM 10-25-2017 13.0000000 1 1 UG/L 17209011710250927D BC LABORATORIES 1186
2950 TTHM 10-25-2017 18.0000000 80 UG/L 17209011710250927D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 10-25-2017 < 1 1 UG/L 17209011710250927D BC LABORATORIES 1186

*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.