Public water system record
North Shore MWC
Serves an area of San Bernardino County, CA · 7 people served
Federal records show 13 health-based violations and 4 monitoring/reporting issues for North Shore MWC in the last ten years. The most serious issue in this window was a resolved Combined Uranium violation.
System profile
- Health-based violations, last 10 years
- 13
- Resolved
- 13
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- North Shore MWC draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, February 2023.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 34 service lines.
Check whether North Shore MWC serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2021 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2020 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2020 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Apr 1, 2020 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2020 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2019 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2019 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Apr 1, 2019 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2019 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2018 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jul 1, 2018 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Apr 1, 2018 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Jan 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2021 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1980
EPA's records for North Shore MWC go back to 1980. Before October 19, 2016 they list no health-based violations and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 8 | 0 |
| 2020s | 5 | 3 |
Enforcement actions
California regulators took 4 formal enforcement actions against North Shore MWC between 2018 and 2023, filed as 5 records in EPA's data. The most recent was a compliance order (no penalty) in February 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 23, 2023 | California | Compliance order (no penalty) | 2 violations: Nitrite, Nitrate |
| Feb 9, 2022 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Dec 6, 2018 | California | Compliance order (no penalty) | 5 violations (4 health-based): Combined Uranium, Lead and Copper Rule |
| Feb 15, 2018 | California | Compliance order (no penalty) | 9 violations (9 health-based): Combined Uranium |
What the violations mean
Combined Uranium
13 incidentsTest results for Combined Uranium were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
North Shore MWC draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
North Shore MWC must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask North Shore MWC for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells