Public water system record

East Hanover Twp Water Dept

Serves an area of Morris County, NJ · 11,393 people served

Federal records show 2 health-based violations and 20 monitoring/reporting issues for East Hanover Twp Water Dept in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.

  • NJ1410001
  • EAST HANOVER TOWNSHIP
  • NJ
  • 11,393 served

System profile

Source water Purchased surface water
ZIP 07936
EPA system ID NJ1410001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
20

Key facts

  • East Hanover Twp Water Dept draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: administrative penalty by New Jersey, October 2014.
  • Record on file since 1988, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 4,180 service lines.

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Health-based violations

Since October 2016

Violation 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 Resolved No
Revised Total Coliform Rule
Treatment technique failure
110 Sep 8, 2020 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2020 Active
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jul 1, 2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jul 1, 2020 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jul 1, 2020 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jul 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2020 Resolved
E. coli
Monitoring and reporting
Aug 27, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2019 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Oct 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2018 Resolved

Full record since 1988

EPA's records for East Hanover Twp Water Dept go back to 1988. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 96 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 8
1990s 2 27
2000s 3 9
2010 to October 18, 2016 1 52
October 19, 2016 to 2019 0 5
2020s 2 15

Most recent health-based violation before October 19, 2016: Total Coliform, began July 2013, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Jul 1, 2013 Resolved
Thallium, Total
Contaminant limit exceeded
Jan 1, 2002 Resolved
Mercury
Contaminant limit exceeded
Jan 1, 2002 Resolved
Beryllium, Total
Contaminant limit exceeded
Measured 0.026 mg/L, federal limit 0.004 mg/L (6.5 times the limit)
Jan 1, 2002 Resolved
Trichloroethylene
Contaminant limit exceeded
Jan 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1991 Resolved

Enforcement actions

New Jersey regulators took 1 formal enforcement action against East Hanover Twp Water Dept in 2014. The most recent was an administrative penalty in October 2014.

Date By Action Violations covered
Oct 27, 2014 New Jersey Administrative penalty 21 violations: cis-1,2-Dichloroethylene, p-Dichlorobenzene, Vinyl chloride, trans-1,2-Dichloroethylene, 1,2-Dichloroethane

What the violations mean

Lead and Copper Rule

1 incident

The 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 this violation.

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

East Hanover Twp Water Dept draws water from 4 wells (1 of them for emergency, seasonal or other part-time use). It also has a seasonal connection to NJ American Water - Short Hills. 1 other community water system buys water from East Hanover Twp Water Dept.

Emergency or part-time connections to

Community systems that buy water from it

Annual water quality report

East Hanover Twp 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.