Chromium-6 in Biloxi, MS Drinking Water
Chromium-6 data for Biloxi, Mississippi · 46,699 residents · 6 ZIP codes
Across the water systems that serve Biloxi, Mississippi, Chromium-6 has appeared in EPA compliance samples — standard municipal treatment targets this contaminant, though detections in the compliance record indicate it has reached household taps at measurable levels.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
Chromium-6 in Biloxi Tap Water
Chromium-6 has been detected in Biloxi, Mississippi drinking water at a maximum level of 900 ppb — 9x the EPA MCL.
This analysis covers 46,699 residents across 6 ZIP codes in Biloxi.
Biloxi's overall water quality grade is B (80/100).
Is Chromium-6 in Biloxi Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or strong-base anion exchange filter certified under NSF 58 and testing your water independently.
Chromium-6 Levels by ZIP Code
| ZIP Code | Chromium-6 Level | EPA Limit | Status |
|---|---|---|---|
| 39530 | 900 ppb | 100 ppb (total chromium MCL) | Exceeds limit |
| 39531 | 900 ppb | 100 ppb (total chromium MCL) | Exceeds limit |
| 39532 | 900 ppb | 100 ppb (total chromium MCL) | Exceeds limit |
| 39533 | 900 ppb | 100 ppb (total chromium MCL) | Exceeds limit |
| 39534 | 900 ppb | 100 ppb (total chromium MCL) | Exceeds limit |
| 39535 | 900 ppb | 100 ppb (total chromium MCL) | Exceeds limit |
Average chromium-6 level across Biloxi: 900 ppb
Health Effects of Chromium-6
- Stomach and intestinal cancer (likely carcinogen via ingestion)
- Known carcinogen when inhaled
- Liver and kidney damage
- Reproductive and developmental harm
Health risk severity: High. Governed by the National Primary Drinking Water Regulations.
How Chromium-6 Gets Into Drinking Water
- Industrial discharge from steel and pulp mills
- Natural erosion of chromium deposits
- Coal ash disposal sites
- Cooling tower discharge
What to Do About Chromium-6 in Biloxi Water
- Reverse osmosis systems are most effective
- Strong-base anion exchange can reduce chromium-6
- Standard carbon filters are NOT effective for chromium-6
- Look for NSF 58 certification
Look for filters certified under NSF 58 for chromium-6 removal.