Water Quality: Arnold, MO
5 water systems • 38,712 people served
No Health ViolationsWater Quality Summary
Arnold is served by 5 public water systems with a combined service population of 38,712 people, and has 6 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. Arnold's violation count is 84% below the national average for Missouri.
Water Systems Serving Arnold
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| JEFFERSON COUNTY PWSD 1 | MO6024292 | Surface Water | 21,113 | 0 |
| JEFFERSON COUNTY PWSD 3 | MO6024294 | Surface Water | 17,000 | 1 |
| STARLING MHP | MO6046374 | Surface Water | 342 | 4 |
| OZARK HILLS MHP | MO6046375 | Surface Water | 230 | 0 |
| LYNN ACRES MHP | MO6046381 | Groundwater | 27 | 1 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Missouri
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.