CA Drinking Water Watch

RIVERDALE VILLAGE (1500452)

All Sampling Results From To

ST2S1-17...* (CA1500452_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 08-31-2023 73 0.5 80 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 08-31-2023 < 0.5 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 08-31-2023 3.9 0.5 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 08-31-2023 < 0.5 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 08-31-2023 70 0.5 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-31-2023 59 2 60 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 08-31-2023 < 1 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 08-31-2023 < 1 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 08-31-2023 33 1 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 08-31-2023 24 1 1 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 08-31-2023 2.0 2 2 UG/L AGH4298-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2950 TTHM 08-15-2022 0.73 0.5 80 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 08-15-2022 < 0.5 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 08-15-2022 < 0.5 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 08-15-2022 < 0.5 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 08-15-2022 0.73 0.5 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-15-2022 < 2 60 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 08-15-2022 < 1 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 08-15-2022 < 1 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 08-15-2022 < 1 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 08-15-2022 < 1 1 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 08-15-2022 < 2 2 UG/L AFH1910-02 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2950 TTHM 08-25-2021 4.6 2 80 UG/L 2127402-01 BC LABORATORIES 1186 EPA 524.2
2944 DIBROMOCHLOROMETHANE 08-25-2021 1.6 0.5 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 524.2
2943 BROMODICHLOROMETHANE 08-25-2021 0.91 0.5 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 524.2
2942 BROMOFORM 08-25-2021 1.3 0.5 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 524.2
2941 CHLOROFORM 08-25-2021 0.77 0.5 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-25-2021 1.2 1 60 UG/L 2127402-01 BC LABORATORIES 1186 EPA 552.3
2454 DIBROMOACETIC ACID 08-25-2021 1.2 1 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 552.3
2453 MONOBROMOACETIC ACID 08-25-2021 < 1 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 552.3
2452 TRICHLOROACETIC ACID 08-25-2021 < 1 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 552.3
2451 DICHLOROACETIC ACID 08-25-2021 < 1 1 UG/L 2127402-01 BC LABORATORIES 1186 EPA 552.3
2450 MONOCHLOROACETIC ACID 08-25-2021 < 1 2 UG/L 2127402-01 BC LABORATORIES 1186 EPA 552.3
1040 NITRATE 11-12-2020 23.0000000 0.4 10 .4 MG/L 13349002011121040N BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-13-2020 < 0.5 1 UG/L 13349002008131049D BC LABORATORIES 1186
2941 CHLOROFORM 08-13-2020 0.8500000 1 1 UG/L 13349002008131049D BC LABORATORIES 1186
2942 BROMOFORM 08-13-2020 2.5000000 1 1 UG/L 13349002008131049D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-13-2020 < 1 2 UG/L 13349002008131049D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-13-2020 0.7500000 1 1 UG/L 13349002008131049D BC LABORATORIES 1186
2950 TTHM 08-13-2020 4.5000000 80 UG/L 13349002008131049D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-13-2020 < 1 1 UG/L 13349002008131049D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-13-2020 < 1 1 UG/L 13349002008131049D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-13-2020 < 1 1 UG/L 13349002008131049D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 08-13-2020 < 1 1 UG/L 13349002008131049D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-13-2020 < 1 60 UG/L 13349002008131049D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-19-2019 < 1 2 UG/L 13349001908190900D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-19-2019 < 1 1 UG/L 13349001908190900D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-19-2019 < 1 1 UG/L 13349001908190900D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-19-2019 < 1 1 UG/L 13349001908190900D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 08-19-2019 < 1 1 UG/L 13349001908190900D BC LABORATORIES 1186
2941 CHLOROFORM 08-19-2019 < 0.5 1 UG/L 13349001908190900D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-19-2019 < 1 60 UG/L 13349001908190900D BC LABORATORIES 1186
2942 BROMOFORM 08-19-2019 < 0.5 1 UG/L 13349001908190900D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-19-2019 < 0.5 1 UG/L 13349001908190900D BC LABORATORIES 1186
2950 TTHM 08-19-2019 < 2 80 UG/L 13349001908190900D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-19-2019 < 0.5 1 UG/L 13349001908190900D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-06-2018 < 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2941 CHLOROFORM 08-06-2018 0.9300000 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-06-2018 < 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 08-06-2018 < 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-06-2018 1.4000000 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2950 TTHM 08-06-2018 5.9000000 80 UG/L 13349001808061036D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-06-2018 < 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2942 BROMOFORM 08-06-2018 3.1000000 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-06-2018 < 1 2 UG/L 13349001808061036D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-06-2018 < 1 60 UG/L 13349001808061036D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-06-2018 0.5300000 1 1 UG/L 13349001808061036D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-07-2017 < 1 60 UG/L 13349001708071100D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-07-2017 < 1 1 UG/L 13349001708071100D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-07-2017 0.9000000 1 1 UG/L 13349001708071100D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-07-2017 < 1 2 UG/L 13349001708071100D BC LABORATORIES 1186
2942 BROMOFORM 08-07-2017 2.0000000 1 1 UG/L 13349001708071100D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-07-2017 < 1 1 UG/L 13349001708071100D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 08-07-2017 < 1 1 UG/L 13349001708071100D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-07-2017 < 1 1 UG/L 13349001708071100D BC LABORATORIES 1186
2941 CHLOROFORM 08-07-2017 1.0000000 1 1 UG/L 13349001708071100D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-07-2017 < 0.5 1 UG/L 13349001708071100D BC LABORATORIES 1186
2950 TTHM 08-07-2017 4.3000000 80 UG/L 13349001708071100D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-08-2016 < 1 1 UG/L 13349001608081228D BC LABORATORIES 1186
2942 BROMOFORM 08-08-2016 < 0.5 1 UG/L 13349001608081228D BC LABORATORIES 1186
2941 CHLOROFORM 08-08-2016 1.2000000 1 1 UG/L 13349001608081228D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-08-2016 < 1 2 UG/L 13349001608081228D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-08-2016 < 1 1 UG/L 13349001608081228D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-08-2016 3.1000000 1 1 UG/L 13349001608081228D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 08-08-2016 < 1 1 UG/L 13349001608081228D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-08-2016 3.1000000 60 UG/L 13349001608081228D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-08-2016 < 0.5 1 UG/L 13349001608081228D BC LABORATORIES 1186
2950 TTHM 08-08-2016 < 2 80 UG/L 13349001608081228D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-08-2016 < 0.5 1 UG/L 13349001608081228D BC LABORATORIES 1186
2950 TTHM 08-10-2015 < 2 80 UG/L 13349001508101221D BC LABORATORIES 1186
2942 BROMOFORM 08-10-2015 < 0.5 1 UG/L 13349001508101221D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-10-2015 < 0.5 1 UG/L 13349001508101221D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-10-2015 < 1 60 UG/L 13349001508101221D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-10-2015 < 1 1 UG/L 13349001508101221D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 08-10-2015 < 1 1 UG/L 13349001508101221D BC LABORATORIES 1186
2941 CHLOROFORM 08-10-2015 0.7900000 1 1 UG/L 13349001508101221D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-10-2015 < 0.5 1 UG/L 13349001508101221D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-10-2015 < 1 1 UG/L 13349001508101221D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-10-2015 < 1 1 UG/L 13349001508101221D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-10-2015 < 1 2 UG/L 13349001508101221D BC LABORATORIES 1186
2950 TTHM 08-07-2014 < 2 80 UG/L 13349001408070925D BC LABORATORIES 1186
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-07-2014 < 1 60 UG/L 13349001408070925D BC LABORATORIES 1186
2452 TRICHLOROACETIC ACID 08-07-2014 < 1 1 UG/L 13349001408070925D BC LABORATORIES 1186
2944 DIBROMOCHLOROMETHANE 08-07-2014 < 0.5 1 UG/L 13349001408070925D BC LABORATORIES 1186
2453 MONOBROMOACETIC ACID 08-07-2014 < 1 1 UG/L 13349001408070925D BC LABORATORIES 1186
2941 CHLOROFORM 08-07-2014 < 0.5 1 UG/L 13349001408070925D BC LABORATORIES 1186
2943 BROMODICHLOROMETHANE 08-07-2014 < 0.5 1 UG/L 13349001408070925D BC LABORATORIES 1186
2942 BROMOFORM 08-07-2014 < 0.5 1 UG/L 13349001408070925D BC LABORATORIES 1186
2451 DICHLOROACETIC ACID 08-07-2014 < 1 1 UG/L 13349001408070925D BC LABORATORIES 1186
2454 DIBROMOACETIC ACID 08-07-2014 < 1 1 UG/L 13349001408070925D BC LABORATORIES 1186
2450 MONOCHLOROACETIC ACID 08-07-2014 < 1 2 UG/L 13349001408070925D 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.