Community Water System · PWS MS0280001
Town of Mayersville
Operator location Mayersville, Mississippi - smaller served population (≤ 999) at 549 people served; 947 SDWIS violations on record from groundwater sources.
- 549
- People served (this PWS)
- 947
- EPA violations (this PWS)
- 88
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Town of Mayersville standing, high SDWIS violation third
549 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 9% is middle-third health share (≤ 23%). Population rank #27,584 of 29,740 among systems serving 500+.
The verdict
Town of Mayersville sits in the upper third of the sitemap cohort by violation count (947), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (549; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 9% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #27,584 of 29,740
- Population · /systems
- #798 of 837
- Population · MS
- 947
- Total EPA violations on record
- 9%
- 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
- 208
- County
- Issaquena
- School/Daycare
- No
- MCL Violations
- 79
- Monitoring Violations
- 812
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MR | 258 | 2012 |
| Radium-226 | MR | 180 | 2012 |
| Radium-228 | MR | 180 | 2012 |
| Combined Radium (-226 and -228) | MR | 84 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 84 | 2008 |
| Total Haloacetic Acids (HAA5) | MCL | 43 | 2012 |
| TTHM | MCL | 33 | 2012 |
| Consumer Confidence Rule | Other | 15 | 2023 |
| Coliform (TCR) | MR | 13 | 2004 |
| Public Notice | Other | 8 | 2024 |
| Chlorine | MR | 8 | 2023 |
| Groundwater Rule | TT | 7 | 2015 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Coliform (TCR) | MCL | 3 | 2009 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| Nitrate-Nitrite | MR | 1 | 2002 |
Violation Count vs. the National Corpus
Town of Mayersville has 947 recorded EPA violations, 99% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 1% carry more. 9% of this system's own violations are health-based (88 of 947), and it ranks #27,584 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)
947 Higher than most more violations than 99% 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
Population served record for Town of Mayersville
EPA SDWIS lists 549 people served and 208 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
947 violations · 549 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 with smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Town of Mayersville
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.