Lake Hiawatha, New Jersey Water Quality Report
Water quality data for 2 water systems serving 65 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (26)
75
Sep 11, 2025
75
Sep 11, 2025
75
Aug 11, 2025
75
Jul 11, 2025
75
Jul 11, 2025
75
Jul 11, 2025
75
Jul 11, 2025
75
Jul 11, 2025
71
Jul 1, 2025
51
Jul 1, 2025
51
Jul 1, 2025
75
Jun 11, 2025
45
May 23, 2025
45
May 23, 2025
45
May 23, 2025
45
May 23, 2025
45
May 23, 2025
45
May 23, 2025
75
May 11, 2025
75
May 11, 2025
75
Apr 11, 2025
75
Apr 11, 2025
75
Mar 11, 2025
75
Mar 11, 2025
75
Feb 11, 2025
75
Feb 11, 2025
Resolved Violations (474)
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
03
Jul 1, 2025 — Sep 30, 2025
+ 469 more resolved violations
Frequently Asked Questions
Is Lake Hiawatha tap water safe to drink?
Lake Hiawatha's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Lake Hiawatha tap water?
0 contaminants have been detected in Lake Hiawatha's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Lake Hiawatha?
Install a water filter rated for the specific contaminants found in Lake Hiawatha's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Lake Hiawatha have any water quality violations?
Yes, Lake Hiawatha currently has 54 active violations. See the violations section above for details.