Water Quality in Grass Valley, CA (95932)
EPA violation data for public water systems serving ZIP code 95932.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,701
Population
38
Water Systems
9
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (38)
Caltrans-Maxwell Reststops
City Of Colusa
All resolvedColusa Southern System
Colusa Indian Bingo Casino
Colusa Industrial Properties
Colusa Golf & Country Club
Colusa Co. Service Area #2-Stonyford
All resolvedColusa Co. Service Area #1-Century Ranch
All resolvedColusa Landing
All resolvedColusa Mobile Trailer Park
Cruise N Tarry
Chuck Stout
Colusa Northern System
J & L Market
Butte Lodge Duck Club
Eddie'S Place
El Rio Club Water System
Terhel Farms Trailer Park #2
Colusa Village
Baird Trailer Park
Northern California Duck Club
Cedar Creek Mobilehome Park
1 health-basedCinti & Schramm Duck Club
Kingdom Hall Of Jehovah'S Witness-Wms
Butte View Raquet Club
White Mallard Duck Club
Lange Water Supply
Mayfair Ranches
River Vista Farms
Ternel Farms Inc
White Mallard Duck Club 2
Ward'S Boat Landing
Colusa Airport
Halsey Water Supply
Bobbs Water Supply
Colusa Tractor Company
Zumalt I G Reese Orchard
I G Zumwalt
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Grass Valley (95932) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9.
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
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
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.