Water Quality: Rock Valley, IA
2 water systems • 6,289 people served
Some ConcernsWater Quality Summary
Rock Valley is served by 2 public water systems with a combined service population of 6,289 people, and has 10 EPA Safe Drinking Water Act violations on record. Critically, 3 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Rock Valley's violation count is 37% below the national average for Iowa. Contaminants associated with violations include Chlorine Dioxide.
Contaminants Found
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Water Systems Serving Rock Valley
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| ROCK VALLEY WATER SUPPLY | IA8482096 | Groundwater | 4,059 | 7 |
| ROCK VALLEY RURAL WATER DISTRICT | IA8482701 | Groundwater | 2,230 | 3 |
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 Iowa
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.