Columbia, South Carolina Water Quality Report
Water quality data for 25 water systems serving 323,333 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| HFPO-DA | 0.009 | 0.010 ug/L | — | 92% | Near limit |
| PFBS | 0.005 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.003 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.007 | 0.004 ug/L | 0.090 ug/L(EWG) | 173% | Above limit |
| PFOS | 0.009 | 0.004 ug/L | 0.300 ug/L(EWG) | 215% | Above limit |
| PFPeA | 0.007 | 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 (6)
72
Oct 1, 2024
72
Oct 1, 2024
72
Oct 1, 2024
72
Oct 1, 2024
52
Oct 1, 2022
52
Oct 1, 2021
Resolved Violations (494)
02
Dec 1, 2024 — Dec 31, 2024
02
Dec 1, 2024 — Dec 31, 2024
02
Dec 1, 2024 — Dec 31, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
+ 489 more resolved violations
Frequently Asked Questions
Is Columbia tap water safe to drink?
Columbia's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Columbia tap water?
7 contaminants have been detected in Columbia's water supply across 25 water systems. See the full contaminant table above for details.
How can I improve my water quality in Columbia?
Install a water filter rated for the specific contaminants found in Columbia's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Columbia have any water quality violations?
Yes, Columbia currently has 68 active violations. See the violations section above for details.