Water Quality in Greenwood, WI (54437)
EPA violation data for public water systems serving ZIP code 54437.
No Health-Based Violations
None of the 17 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.
3,236
Population
17
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (17)
Greenwood Waterworks
Groundwater 1,079 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Grassland Dairy Prod Inc
Surface water 400 people served
0 violations
Lead tested: 0.12 ppb (limit: 15 ppb) ✓
Grassland Dairy Prod Inc - Office
Groundwater 110 people served
0 violations
Lead tested: 4.15 ppb (limit: 15 ppb) ✓
Grassland Dairy Prod Inc Cooling South Plant
Groundwater 100 people served
0 violations
Greenwood City Of C & T
Groundwater 50 people served
0 violations
Cals Rock Dam Resort
Groundwater 40 people served
0 violations
Rosss Inn
Groundwater 30 people served
0 violations
Land O Lakes Greenwood
Groundwater 30 people served
0 violations
Behind Barrs Bar & Grill
Groundwater 30 people served
0 violations
Double A Bar
Groundwater 25 people served
0 violations
Clark Richard
Groundwater 25 people served
0 violations
Elmdale Cheese Factory
Groundwater 25 people served
0 violations
Immanuel United Ch Of Christ
Groundwater 25 people served
0 violations
Paul & Julia
Groundwater 25 people served
0 violations
Emmanuel Lutheran Church - Longwood
Groundwater 25 people served
0 violations
Elmdale Cheese Factory
Groundwater 25 people served
0 violations
Graf Creamery Inc
Groundwater 5 people served
0 violations
Lead tested: 0.83 ppb (limit: 15 ppb) ✓
Lead & Copper Levels
Lead (Pb)
Within limit0.12 ppb measured
Action level: 15 ppb
Sampled: Jun 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.