BAR-LEN MWC
PWSID: CA3600025 · Barstow, CA · Serves 126 people
According to EPA Safe Drinking Water Information System (SDWIS), BAR-LEN MWC (PWSID CA3600025) in Barstow, CA is listed as a CWS water system covering about 126 people. The same extract lists 117 health-based violation records spanning 2016-2025. Those 117 health-based rows for BAR-LEN MWC cover contaminants such as Arsenic, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
BAR-LEN MWC has 117 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Arsenic, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2016–2025. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA3600025
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Barstow, CA
- Population Served
- 126
- Health Violations
- Yes (117)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Arsenic | 116 | 116 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (117)
| Contaminant | Health | Date |
|---|---|---|
| Arsenic | Yes | Oct 1, 2025 |
| Arsenic | Yes | Jul 1, 2025 |
| Arsenic | Yes | Apr 1, 2025 |
| Arsenic | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Apr 1, 2023 |
| Arsenic | Yes | Apr 1, 2023 |
| Arsenic | Yes | Apr 1, 2023 |
| Arsenic | Yes | Apr 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Jan 1, 2022 |
| Arsenic | Yes | Jan 1, 2022 |
| Arsenic | Yes | Jan 1, 2022 |
| Arsenic | Yes | Oct 1, 2021 |
| Arsenic | Yes | Oct 1, 2021 |
| Arsenic | Yes | Oct 1, 2021 |
| Arsenic | Yes | Jul 1, 2021 |
| Arsenic | Yes | Jul 1, 2021 |
| Arsenic | Yes | Jul 1, 2021 |
| Arsenic | Yes | Apr 1, 2021 |
| Arsenic | Yes | Apr 1, 2021 |
| Arsenic | Yes | Apr 1, 2021 |
| Arsenic | Yes | Jan 1, 2021 |
| Arsenic | Yes | Jan 1, 2021 |
| Arsenic | Yes | Jan 1, 2021 |
| Arsenic | Yes | Oct 1, 2020 |
| Arsenic | Yes | Oct 1, 2020 |
| Arsenic | Yes | Oct 1, 2020 |
| Arsenic | Yes | Jul 1, 2020 |
| Arsenic | Yes | Jul 1, 2020 |
| Arsenic | Yes | Jul 1, 2020 |
| Arsenic | Yes | Apr 1, 2020 |
| Arsenic | Yes | Apr 1, 2020 |
| Arsenic | Yes | Apr 1, 2020 |
| Arsenic | Yes | Jan 1, 2020 |
| Arsenic | Yes | Jan 1, 2020 |
| Arsenic | Yes | Jan 1, 2020 |
| Arsenic | Yes | Oct 1, 2019 |
| Arsenic | Yes | Oct 1, 2019 |
| Arsenic | Yes | Oct 1, 2019 |
| Arsenic | Yes | Jul 1, 2019 |
| Arsenic | Yes | Jul 1, 2019 |
| Arsenic | Yes | Jul 1, 2019 |
| Arsenic | Yes | Apr 1, 2019 |
| Arsenic | Yes | Apr 1, 2019 |
| Arsenic | Yes | Apr 1, 2019 |
| Arsenic | Yes | Jan 1, 2019 |
| Arsenic | Yes | Jan 1, 2019 |
| Arsenic | Yes | Jan 1, 2019 |
| Arsenic | Yes | Oct 1, 2018 |
| Arsenic | Yes | Oct 1, 2018 |
| Arsenic | Yes | Oct 1, 2018 |
| Arsenic | Yes | Jul 1, 2018 |
| Arsenic | Yes | Jul 1, 2018 |
| Arsenic | Yes | Jul 1, 2018 |
| Arsenic | Yes | Apr 1, 2018 |
| Arsenic | Yes | Apr 1, 2018 |
| Arsenic | Yes | Apr 1, 2018 |
| Arsenic | Yes | Jan 1, 2018 |
| Arsenic | Yes | Jan 1, 2018 |
| Arsenic | Yes | Jan 1, 2018 |
| Arsenic | Yes | Oct 1, 2017 |
| Arsenic | Yes | Oct 1, 2017 |
| Arsenic | Yes | Oct 1, 2017 |
| Arsenic | Yes | Jul 1, 2017 |
| Arsenic | Yes | Jul 1, 2017 |
| Arsenic | Yes | Jul 1, 2017 |
| Arsenic | Yes | Apr 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for BAR-LEN MWC?
How many people does BAR-LEN MWC serve?
What violations does BAR-LEN MWC have?
What contaminants have been found in BAR-LEN MWC water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest BAR-LEN MWC on cumulative violation count (117) and EPA-reported population served (126). Violation-count peers include SALEM WATER SYSTEM, WRIGHT CITY PWA, MOUNT IDA WATERWORKS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Explore More
About This Data
BAR-LEN MWC (CA3600025) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2016-2025 covering Arsenic, LEAD AND COPPER RULE REVISIONS. Historical registry entries, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.