Ottawa, Ohio Water Quality Report
Water quality data for 2 water systems serving 4,943 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 11.9 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 119% | Above 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 |
| PFHxA | 0.052 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeA | 0.090 | 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 (2)
72
Jan 27, 2020
71
Jul 1, 2012
Resolved Violations (498)
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
+ 493 more resolved violations
Frequently Asked Questions
Is Ottawa tap water safe to drink?
Ottawa's water meets all EPA maximum contaminant levels. However, 5 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Ottawa tap water?
5 contaminants have been detected in Ottawa's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Ottawa?
Install a water filter rated for the specific contaminants found in Ottawa's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Ottawa have any water quality violations?
Yes, Ottawa currently has 4 active violations. See the violations section above for details.