CA Drinking Water Watch

MONTARA WATER AND SANITARY DISTRICT (4110010)

All Sampling Results From To

171 2ND ...* (CA4110010_DST_900)

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 08-16-2023 15 0.5 80 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 08-16-2023 7.1 0.5 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 08-16-2023 3.2 0.5 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 08-16-2023 5.0 0.5 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 08-16-2023 < 0.5 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-16-2023 5.4 2 60 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 08-16-2023 2.6 1 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 08-16-2023 < 1 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 08-16-2023 1.5 1 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 08-16-2023 1.3 1 1 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 08-16-2023 < 2 2 UG/L AGH2505-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2950 TTHM 09-12-2022 34 0.5 80 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 09-12-2022 14 0.5 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 09-12-2022 8.2 0.5 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 09-12-2022 6.7 0.5 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 09-12-2022 4.6 0.5 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 09-12-2022 9.5 2 60 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 09-12-2022 4.2 1 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 09-12-2022 < 1 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 09-12-2022 2.9 1 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 09-12-2022 2.4 1 1 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 09-12-2022 < 2 2 UG/L AFI1740-10 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2944 DIBROMOCHLOROMETHANE 07-28-2021 3.7000000 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 07-28-2021 < 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 07-28-2021 < 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 07-28-2021 < 2 2 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 07-28-2021 < 60 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 07-28-2021 1.5000000 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 07-28-2021 1.7000000 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 07-28-2021 9.5000000 80 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 07-28-2021 < 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 07-28-2021 3.6000000 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 07-28-2021 < 1 1 UG/L 41269002107281122D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 07-21-2020 9.3000000 60 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 07-21-2020 27.0000000 80 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 07-21-2020 5.5000000 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 07-21-2020 6.4000000 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 07-21-2020 4.5000000 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 07-21-2020 11.0000000 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 07-21-2020 < 2 2 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 07-21-2020 3.0000000 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 07-21-2020 2.6000000 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 07-21-2020 < 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 07-21-2020 3.8000000 1 1 UG/L 41269002007210915D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 08-14-2019 < 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 08-14-2019 5.7000000 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 08-14-2019 3.4000000 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 08-14-2019 17.0000000 80 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 08-14-2019 7.4000000 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 08-14-2019 < 2 2 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 08-14-2019 < 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 08-14-2019 < 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 08-14-2019 < 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 08-14-2019 2.5000000 1 1 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-14-2019 2.5000000 60 UG/L 41269001908141050D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 07-26-2018 5.6000000 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 07-26-2018 1.4000000 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 07-26-2018 1.2000000 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 07-26-2018 1.4000000 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 07-26-2018 3.5000000 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 07-26-2018 < 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 07-26-2018 3.1000000 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 07-26-2018 < 2 2 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 07-26-2018 17.0000000 80 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 07-26-2018 6.9000000 1 1 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 07-26-2018 5.9000000 60 UG/L 41269001807260905D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 07-20-2017 1.7000000 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 07-20-2017 < 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 07-20-2017 < 2 2 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 07-20-2017 2.3000000 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 07-20-2017 1.4000000 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 07-20-2017 6.2000000 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 07-20-2017 3.0000000 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 07-20-2017 6.0000000 60 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 07-20-2017 2.9000000 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 07-20-2017 17.0000000 80 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 07-20-2017 5.8000000 1 1 UG/L 41269001707201030D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 08-24-2016 5.7000000 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 08-24-2016 1.9000000 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 08-24-2016 4.2000000 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 08-24-2016 < 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-24-2016 9.7000000 60 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 08-24-2016 8.1000000 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 08-24-2016 27.0000000 80 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 08-24-2016 3.6000000 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 08-24-2016 6.6000000 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 08-24-2016 6.8000000 1 1 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 08-24-2016 < 2 2 UG/L 41269001608241045D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 08-10-2015 < 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 08-10-2015 2.6000000 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 08-10-2015 1.2000000 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 08-10-2015 < 2 2 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 08-10-2015 4.9000000 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 08-10-2015 2.8000000 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 08-10-2015 4.2000000 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 08-10-2015 3.0000000 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 08-10-2015 15.0000000 80 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-10-2015 5.5000000 60 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 08-10-2015 1.7000000 1 1 UG/L 41269001508101205D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 08-27-2014 < 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 08-27-2014 < 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-27-2014 2.8000000 60 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 08-27-2014 1.7000000 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 08-27-2014 4.1000000 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 08-27-2014 8.6000000 80 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 08-27-2014 2.6000000 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 08-27-2014 1.1000000 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 08-27-2014 < 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 08-27-2014 < 2 2 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 08-27-2014 < 1 1 UG/L 41269001408271030D BSK ANALYTICAL LABORATORIES 1180

*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.