Hopatcong, New Jersey Water Quality Report
Water quality data for 1 water system serving 7,224 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 9.8 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 98% | Near guideline |
| PFBA | 0.012 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.008 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.009 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.010 | 0.004 ug/L | 0.090 ug/L(EWG) | 248% | Above limit |
| PFPeA | 0.010 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (34)
34
Apr 11, 2025
34
Apr 11, 2025
52
Oct 1, 2024
52
Oct 1, 2024
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Resolved Violations (428)
76
Jan 12, 2024
76
Jan 12, 2024
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Jan 12, 2024
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Jan 12, 2024
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Jan 12, 2024
+ 423 more resolved violations
Frequently Asked Questions
Is Hopatcong tap water safe to drink?
Hopatcong's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Hopatcong tap water?
7 contaminants have been detected in Hopatcong's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Hopatcong?
Install a water filter rated for the specific contaminants found in Hopatcong's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Hopatcong have any water quality violations?
Yes, Hopatcong currently has 34 active violations. See the violations section above for details.