Public water system record

Aqua NJ - Harkers Hollow

Serves an area of Warren County, NJ · 40 people served

Federal records show no health-based violations and 31 monitoring/reporting issues for Aqua NJ - Harkers Hollow in the last ten years. At least one of these issues remains unresolved.

  • NJ2110003
  • HAMILTON
  • NJ
  • 40 served

System profile

Source water Groundwater
ZIP 08691
EPA system ID NJ2110003

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
31

Key facts

  • Aqua NJ - Harkers Hollow draws water from 2 wells.
  • Record on file since 1998, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 21 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2025 Active
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Groundwater Rule
Monitoring and reporting
Nov 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2021 Resolved
Revised Total Coliform Rule
RPT
May 11, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2020 Resolved
Revised Total Coliform Rule
RPT
Dec 11, 2019 Resolved
Styrene
Monitoring and reporting
Jan 1, 2017 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Toluene
Monitoring and reporting
Jan 1, 2017 Resolved
Benzene
Monitoring and reporting
Jan 1, 2017 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2017 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2017 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2017 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2017 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2017 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved

Full record since 1998

EPA's records for Aqua NJ - Harkers Hollow go back to 1998. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 0
2000s 4 0
2010 to October 18, 2016 0 3
October 19, 2016 to 2019 0 22
2020s 0 9

Most recent health-based violation before October 19, 2016: Total Coliform, began December 2009, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Dec 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 2009 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Jun 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 1998 Resolved

Where the water comes from

Aqua NJ - Harkers Hollow draws water from 2 wells.

Annual water quality report

Aqua NJ - Harkers Hollow 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 Aqua NJ - Harkers Hollow 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 New Jersey.