MAYSVILLE PWS
PWSID: MO1010510 · Maysville, MO · Serves 1,096 people
According to EPA Safe Drinking Water Information System (SDWIS), MAYSVILLE PWS (PWSID MO1010510) in Maysville, MO is listed as a CWS water system covering about 1,096 people. The same extract lists 131 health-based violation records spanning 2011-2025. Those 131 health-based rows for MAYSVILLE PWS cover contaminants such as Interim Enhanced Surface Water Treatment Rule, TTHM, CARBON, TOTAL; they remain historical EPA registry entries, not a current compliance or drinkability score.
MAYSVILLE PWS has 131 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 6 distinct EPA contaminant codes appear in this system's record, including Interim Enhanced Surface Water Treatment Rule, TTHM, CARBON, TOTAL. Recorded violations span 2011–2025. Day-to-day primacy enforcement for this system runs through the Missouri drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Missouri state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MO1010510
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Maysville, MO
- Population Served
- 1,096
- Health Violations
- Yes (131)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 70 | 70 |
| TTHM | 31 | 31 |
| CARBON, TOTAL | 10 | 10 |
| Surface Water Treatment Rule | 8 | 8 |
| Total Haloacetic Acids (HAA5) | 7 | 7 |
| Chlorite | 5 | 5 |
Violation History (131)
Frequently Asked Questions
What does EPA SDWIS list for MAYSVILLE PWS?
How many people does MAYSVILLE PWS serve?
What violations does MAYSVILLE PWS have?
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Compare beyond Missouri
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MAYSVILLE PWS on cumulative violation count (131) and EPA-reported population served (1,096). Violation-count peers include SOUTH DESOTO WATER SYSTEM, LATIMER CO. RWD #2, OKMULGEE CO. RWD #20. Population peers include MEIGS, WORDEN, ST. PAUL MUNICIPAL WATER.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
MAYSVILLE PWS (MO1010510) is drawn from EPA SDWIS. Nearby county systems in this extract include CAMERON PWS; DEKALB COUNTY PWSD 1; CLINTON COUNTY PWSD 3; OSBORN PWS. Health-based rows (131 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.