Water Quality in Rock Rapids, IA (51246)
EPA violation data for public water systems serving ZIP code 51246.
No Health-Based Violations
None of the 10 water systems serving this ZIP have any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,041
Population
10
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (10)
Rock Rapids Municipal Water Works
Groundwater 2,611 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb) ✓
Lyon-Sioux Rws-Doon
Groundwater 1,765 people served
0 violations
Lead tested: 4 ppb (limit: 15 ppb) ✓
Lyon-Sioux Rws-Big Sioux
Groundwater 1,530 people served
0 violations
Lead tested: 3.3 ppb (limit: 15 ppb) ✓
Lyon-Sioux Rws-Rock Rapids
Purchased groundwater 1,187 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Lyon-Sioux Rws-Boyden
Groundwater 605 people served
0 violations
Cedar Ridge Campground
Groundwater 250 people served
0 violations
Two Brothers Supper Club
Groundwater 75 people served
0 violations
Rock Rapids Gun Club
Groundwater 62 people served
0 violations
Champlin Petroleum Terminal
Purchased groundwater 50 people served
0 violations
Rock River Golf & Country Club
Groundwater 30 people served
0 violations
Lead & Copper Levels
Lead (Pb)
Within limit3.3 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.