Community Water System · PWS MS0230065
Hancock County Water & Sewer
Operator location Kiln, Mississippi - upper-third violation load (> 74 violations) with 363 EPA violations; groundwater source; 3,254 served (PWS-level, not municipal population).
- 3,254
- People served (this PWS)
- 363
- EPA violations (this PWS)
- 79
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Hancock County Water & Sewer standing, high SDWIS violation third
363 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 22% is middle-third health share (≤ 23%). Population rank #10,038 of 29,740 among systems serving 500+.
The verdict
Hancock County Water & Sewer sits in the upper third of the sitemap cohort by violation count (363), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 3,254 (mid served population (≤ 3,309)). Health-based share is 22% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #10,038 of 29,740
- Population · /systems
- #209 of 837
- Population · MS
- 363
- Total EPA violations on record
- 22%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,528
- County
- Hancock
- School/Daycare
- No
- MCL Violations
- 79
- Monitoring Violations
- 272
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MR | 86 | 2012 |
| Radium-226 | MR | 60 | 2012 |
| Radium-228 | MR | 60 | 2012 |
| TTHM | MCL | 39 | 2019 |
| Total Haloacetic Acids (HAA5) | MCL | 38 | 2018 |
| Combined Radium (-226 and -228) | MR | 28 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 28 | 2008 |
| Consumer Confidence Rule | Other | 4 | 2007 |
| Chlorine | MR | 4 | 2023 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Public Notice | Other | 4 | 2019 |
| Coliform (TCR) | MCL | 2 | 2006 |
| CYANIDE | MR | 2 | 2003 |
Violation Count vs. the National Corpus
Hancock County Water & Sewer has 363 recorded EPA violations, 93% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 7% carry more. 22% of this system's own violations are health-based (79 of 363), and it ranks #10,038 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
363 Higher than most more violations than 93% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
SDWIS compliance record for Hancock County Water & Sewer
363 violations on record for MS0230065; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS
Nationwide peers
363 violations · 3,254 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Hancock County Water & Sewer
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Mississippi compares on the same EPA violation measures. Mississippi systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.