Water Quality in Creston, IA (50218)
EPA violation data for public water systems serving ZIP code 50218.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 2 monitoring/reporting violations.
More violations than 43% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
346
Population
5
Water Systems
3
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (5)
Sirwa #2 (Creston)
Warren Water District
Jamaica Water Supply
1 health-basedPatterson Water Supply
Patterson Elementary School
Contaminants Found
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Creston (50218) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.