Public water system record
Cedar Grove Water Dept
Serves an area of Essex County, NJ · 12,900 people served
Federal records show 3 health-based violations and 7 monitoring/reporting issues for Cedar Grove Water Dept in the last ten years. The most serious issue in this window was a Lead and Copper Rule violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 2
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Cedar Grove Water Dept buys its water from Passaic Valley Water Commission and N.J.D.W.S.C. - Wanaque North.
- Most recent formal enforcement: administrative penalty by New Jersey, February 2013.
- Record on file since 1979, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 4,478 service lines.
Check whether Cedar Grove Water Dept 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 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 1, 2023 | Resolved | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jul 1, 2022 | 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
|
Jul 22, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Dec 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1979
EPA's records for Cedar Grove Water Dept go back to 1979. Before October 19, 2016 they list no health-based violations and 53 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 8 |
| 1980s | 0 | 14 |
| 1990s | 0 | 8 |
| 2000s | 0 | 18 |
| 2010 to October 18, 2016 | 0 | 5 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 3 | 1 |
Enforcement actions
New Jersey regulators took 3 formal enforcement actions against Cedar Grove Water Dept between 1991 and 2013, filed as 17 records in EPA's data. The most recent was an administrative penalty in February 2013.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 25, 2013 | New Jersey | Administrative penalty | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Aug 31, 1991 | New Jersey | Administrative penalty | 8 violations: Cadmium, Chromium (total), Arsenic, Mercury, Selenium |
| Aug 31, 1991 | New Jersey | Compliance order (no penalty) | 8 violations: Chromium (total), Barium, Arsenic, Mercury, Selenium |
What the violations mean
Lead and Copper Rule
3 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.
Where the water comes from
Cedar Grove Water Dept buys its water from Passaic Valley Water Commission and N.J.D.W.S.C. - Wanaque North. It lists no wells or intakes of its own. It also has emergency connections to North Caldwell Water Dep and Montclair Water Bureau.
Buys water from
- Passaic Valley Water Commission Clifton, NJ
- N.J.D.W.S.C. - Wanaque North Glenwood, NJ
Emergency or part-time connections to
- North Caldwell Water Dep North Caldwell, NJ
- Montclair Water Bureau Haskell, NJ
Annual water quality report
Cedar Grove Water Dept 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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