Rio Grande, New Jersey Water Quality Report
Water quality data for 5 water systems serving 219,708 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 12.9 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 129% | Above guideline |
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Compliance & Violations
Active Violations (40)
71
Jul 1, 2025
4B
Apr 11, 2025
66
Dec 30, 2023
66
Dec 30, 2023
71
Jul 1, 2021
66
Dec 30, 2020
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Resolved Violations (322)
27
Sep 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Sep 30, 2025
71
Jul 1, 2025
27
Jul 1, 2025 — Sep 30, 2025
71
Jul 1, 2025
+ 317 more resolved violations
Frequently Asked Questions
Is Rio Grande tap water safe to drink?
Rio Grande's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Rio Grande tap water?
1 contaminants have been detected in Rio Grande's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Rio Grande?
Install a water filter rated for the specific contaminants found in Rio Grande's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Rio Grande have any water quality violations?
Yes, Rio Grande currently has 40 active violations. See the violations section above for details.