This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.
MS0730010 , Lake Arrowhead
Violations
1–30 of 322 validated violations, most recently determined first. 21 of the 30 listed on this page are recorded as part of 1 violation group. Across the whole record the agency holds 70 groups, holding 276 violations.
Please note: some of these violations may have been resolved and/or returned to compliance.
Grouped and ungrouped violations are in one list; the group column says which is which.
| Fiscal year | Determined | Violation | Category | Analyte | Facility | Group |
|---|---|---|---|---|---|---|
| 2022 | Jun 10, 2022 | Public Notice Rule Linked to Violation, 19552 | Public Notice | Public Notice | Not recorded | Not in a group |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19531 | Monitoring | 1,2,4-Trichlorobenzene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19532 | Monitoring | Cis-1,2-Dichloroethylene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19533 | Monitoring | Xylenes, Total | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19534 | Monitoring | Dichloromethane | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19535 | Monitoring | O-Dichlorobenzene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19536 | Monitoring | P-Dichlorobenzene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19537 | Monitoring | Vinyl Chloride | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19538 | Monitoring | 1,1-Dichloroethylene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19539 | Monitoring | Trans-1,2-Dichloroethylene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19540 | Monitoring | 1,2-Dichloroethane | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19541 | Monitoring | 1,1,1-Trichloroethane | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19542 | Monitoring | Carbon Tetrachloride | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19543 | Monitoring | 1,2-Dichloropropane | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19544 | Monitoring | Trichloroethylene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19545 | Monitoring | 1,1,2-Trichloroethane | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19546 | Monitoring | Tetrachloroethylene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19547 | Monitoring | Chlorobenzene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19548 | Monitoring | Benzene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19549 | Monitoring | Toluene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19550 | Monitoring | Ethylbenzene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2022 | Dec 28, 2021 | Monitoring, Routine Major, 19551 | Monitoring | Styrene | Treatment Facility TF101 | 2022-44275 Voc-Regulated |
| 2021 | Aug 11, 2021 | Monitoring, Routine (DBP), Major, 19530 | Monitoring | Chlorine | Distribution DS000 | Not in a group |
| 2019 | Aug 5, 2019 | CCR Report, 19520 | Reporting | Consumer Confidence Rule | Not recorded | Not in a group |
| 2016 | Jun 7, 2016 | Monitoring, Routine, Major (RTCR), 19518 | Monitoring | E. Coli | Not recorded | Not in a group |
| 2016 | Jun 7, 2016 | Monitoring, Routine (DBP), Major, 19519 | Monitoring | Chlorine | Distribution DS000 | Not in a group |
| 2015 | Jul 14, 2015 | CCR Report, 19517 | Reporting | Consumer Confidence Rule | Not recorded | Not in a group |
| 2015 | Oct 10, 2014 | Monitoring, Routine (DBP), Major, 19516 | Monitoring | Chlorine | Distribution DS000 | Not in a group |
| 2013 | Jan 15, 2013 | Monitoring, Routine Major, 19504 | Monitoring | Combined Uranium | Treatment Facility TF102 | Not in a group |
| 2013 | Jan 15, 2013 | Monitoring, Routine Major, 19505 | Monitoring | Combined Uranium | Treatment Facility TF103 | Not in a group |
-
Public Notice Rule Linked to Violation, 19552
- Determined
- Jun 10, 2022
- Category
- Public Notice
- Analyte
- Public Notice
- Facility
- Not recorded
- Fiscal year
- 2022
- Group
- Not in a group
-
Monitoring, Routine Major, 19531
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- 1,2,4-Trichlorobenzene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19532
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Cis-1,2-Dichloroethylene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19533
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Xylenes, Total
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19534
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Dichloromethane
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19535
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- O-Dichlorobenzene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19536
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- P-Dichlorobenzene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19537
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Vinyl Chloride
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19538
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- 1,1-Dichloroethylene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19539
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Trans-1,2-Dichloroethylene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19540
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- 1,2-Dichloroethane
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19541
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- 1,1,1-Trichloroethane
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19542
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Carbon Tetrachloride
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19543
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- 1,2-Dichloropropane
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19544
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Trichloroethylene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19545
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- 1,1,2-Trichloroethane
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19546
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Tetrachloroethylene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19547
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Chlorobenzene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19548
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Benzene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19549
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Toluene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19550
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Ethylbenzene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine Major, 19551
- Determined
- Dec 28, 2021
- Category
- Monitoring
- Analyte
- Styrene
- Facility
- Treatment Facility TF101
- Fiscal year
- 2022
- Group
- 2022-44275 Voc-Regulated
-
Monitoring, Routine (DBP), Major, 19530
- Determined
- Aug 11, 2021
- Category
- Monitoring
- Analyte
- Chlorine
- Facility
- Distribution DS000
- Fiscal year
- 2021
- Group
- Not in a group
-
- Determined
- Aug 5, 2019
- Category
- Reporting
- Analyte
- Consumer Confidence Rule
- Facility
- Not recorded
- Fiscal year
- 2019
- Group
- Not in a group
-
Monitoring, Routine, Major (RTCR), 19518
- Determined
- Jun 7, 2016
- Category
- Monitoring
- Analyte
- E. Coli
- Facility
- Not recorded
- Fiscal year
- 2016
- Group
- Not in a group
-
Monitoring, Routine (DBP), Major, 19519
- Determined
- Jun 7, 2016
- Category
- Monitoring
- Analyte
- Chlorine
- Facility
- Distribution DS000
- Fiscal year
- 2016
- Group
- Not in a group
-
- Determined
- Jul 14, 2015
- Category
- Reporting
- Analyte
- Consumer Confidence Rule
- Facility
- Not recorded
- Fiscal year
- 2015
- Group
- Not in a group
-
Monitoring, Routine (DBP), Major, 19516
- Determined
- Oct 10, 2014
- Category
- Monitoring
- Analyte
- Chlorine
- Facility
- Distribution DS000
- Fiscal year
- 2015
- Group
- Not in a group
-
Monitoring, Routine Major, 19504
- Determined
- Jan 15, 2013
- Category
- Monitoring
- Analyte
- Combined Uranium
- Facility
- Treatment Facility TF102
- Fiscal year
- 2013
- Group
- Not in a group
-
Monitoring, Routine Major, 19505
- Determined
- Jan 15, 2013
- Category
- Monitoring
- Analyte
- Combined Uranium
- Facility
- Treatment Facility TF103
- Fiscal year
- 2013
- Group
- Not in a group