Water Quality: Johnston, IA
2 water systems • 25,233 people served
No Health Violations36
Total Violations
0
Health-Based Violations
2
Water Systems
25,233
Population Served
Water Quality Summary
Johnston has no health-based drinking water violations on record in the EPA SDWIS database. There are 36 monitoring or reporting violations, which typically means the system missed a testing deadline rather than finding a contaminant above safe levels.
Water Systems Serving Johnston
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| JOHNSTON MUNICIPAL WATER SUPPLY | IA7740011 | Surface Water | 24,064 | 0 |
| CAMP DODGE WATER SUPPLY | IA7700901 | Groundwater | 1,169 | 36 |
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.
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.