CA Drinking Water Watch

HOLDGRAFER & ASSOCIATES (4000730)

All Sampling Results From To

DISINFEC...* (CA4000730_DST_500)

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 01-06-2026 100 0.5 80 UG/L AJA0443-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 01-06-2026 9.5 0.5 1 UG/L AJA0443-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 01-06-2026 1.6 0.5 1 UG/L AJA0443-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 01-06-2026 < 0.5 1 UG/L AJA0443-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 01-06-2026 93 5 1 UG/L AJA0443-01RE1 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2950 TTHM 10-21-2025 3.5 0.5 80 UG/L AIJ2994-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 10-21-2025 1.1 0.5 1 UG/L AIJ2994-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 10-21-2025 < 0.5 1 UG/L AIJ2994-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 10-21-2025 2.4 0.5 1 UG/L AIJ2994-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 10-21-2025 < 0.5 1 UG/L AIJ2994-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2950 TTHM 07-16-2025 90 0.5 80 UG/L AIG2476-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 07-16-2025 28 0.5 1 UG/L AIG2476-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 07-16-2025 6.0 0.5 1 UG/L AIG2476-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 07-16-2025 55 0.5 1 UG/L AIG2476-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 07-16-2025 0.69 0.5 1 UG/L AIG2476-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2950 TTHM 04-16-2025 70 0.5 80 UG/L AID2872-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 04-16-2025 13 0.5 1 UG/L AID2872-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 04-16-2025 1.9 0.5 1 UG/L AID2872-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 04-16-2025 55 0.5 1 UG/L AID2872-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 04-16-2025 < 0.5 1 UG/L AID2872-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2950 TTHM 01-21-2025 48 0.5 80 UG/L AIA3113-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 01-21-2025 16 0.5 1 UG/L AIA3113-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 01-21-2025 3.4 0.5 1 UG/L AIA3113-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 01-21-2025 28 0.5 1 UG/L AIA3113-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 01-21-2025 < 0.5 1 UG/L AIA3113-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2950 TTHM 10-14-2024 95 0.5 80 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 10-14-2024 36 0.5 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 10-14-2024 13 0.5 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 10-14-2024 45 0.5 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 10-14-2024 1.5 0.5 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-14-2024 17 2 60 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 10-14-2024 15 1 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 10-14-2024 1.2 1 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 10-14-2024 < 1 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 10-14-2024 1.4 1 1 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 10-14-2024 < 2 2 UG/L AHJ2284-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2950 TTHM 10-11-2021 79 0.5 80 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 10-11-2021 18 0.5 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 10-11-2021 2.6 0.5 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 10-11-2021 59 0.5 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 10-11-2021 < 0.5 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-11-2021 11 2 60 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 10-11-2021 11 1 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 10-11-2021 < 1 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 10-11-2021 < 1 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 10-11-2021 < 1 1 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 10-11-2021 < 2 2 UG/L AEJ1152-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 01-28-2021 6.7000000 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 01-28-2021 9.8000000 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 01-28-2021 < 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 01-28-2021 6.7000000 60 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 01-28-2021 < 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 01-28-2021 2.7000000 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 01-28-2021 25.0000000 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 01-28-2021 38.0000000 80 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 01-28-2021 < 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 01-28-2021 < 1 1 UG/L 94545002101281400D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 01-28-2021 < 2 2 UG/L 94545002101281400D 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.