Water Quality in Willits, CA (95490)
EPA violation data for public water systems serving ZIP code 95490.
Active Health Violations
3 health-based violations 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 79% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
14,677
Population
13
Water Systems
21
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (13)
Willits, City Of
Brooktrails Township Csd
Pine Mountain Mutual Water Co.
Mitomkai Tribal Water System
Ridgewood Water System
1 health-basedOriginal Sherwood Valley Rancheria
2 health-basedOak Crest Manor
White Deer Lodge Water System
Sleepy Hollow Rv Park
Mendocino Forest Products-Willits Mill
Horseshoe Circle Water Association
Bessie Thrilkill
Golden Rule
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jan 2023
How Does This Compare?
Willits (95490) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 21.
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.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.