Water Quality: Keystone, IA
1 water system • 599 people served
Multiple Health ViolationsWater Quality Summary
Keystone is served by 1 public water system with a combined service population of 599 people, and has 9 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Keystone's violation count is 43% below the national average for Iowa. Contaminants associated with violations include Chlorine Dioxide, Contaminant 1041.
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 Keystone
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| KEYSTONE WATER SUPPLY | IA0640030 | Groundwater | 599 | 9 |
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.