Public water system record
Hardyston Twp MUA
Serves an area of Sussex County, NJ · 769 people served
Federal records show 3 health-based violations and 16 monitoring/reporting issues for Hardyston Twp MUA in the last ten years, including an unresolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 1
- Unresolved
- 1
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 16
Key facts
- Hardyston Twp MUA draws water from 3 wells.
- Most recent formal enforcement: administrative penalty by New Jersey, January 2006.
- Record on file since 1988, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 360 service lines.
Check whether Hardyston Twp MUA 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 |
|---|---|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 23, 2021 | Active | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Apr 1, 2020 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Dec 22, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Mar 31, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
Full record since 1988
EPA's records for Hardyston Twp MUA go back to 1988. Before October 19, 2016 they list no health-based violations and 55 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 8 |
| 1990s | 0 | 4 |
| 2000s | 0 | 42 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 3 | 13 |
Enforcement actions
New Jersey regulators took 1 formal enforcement action against Hardyston Twp MUA in 2006. The most recent was an administrative penalty in January 2006.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 11, 2006 | New Jersey | Administrative penalty | 1 violation: Public Notice |
What the violations mean
Lead and Copper Rule
2 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Hardyston Twp MUA draws water from 3 wells.
Annual water quality report
Hardyston Twp MUA 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 New Jersey.
Certified drinking water labs by state EPA guidance for private wells