Water Quality in Coeur D Alene, ID (83858)
EPA violation data for public water systems serving ZIP code 83858.
Active Health Violations
7 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 85% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
20,137
Population
43
Water Systems
31
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (43)
Coeur D Alene City Of
Post Falls City Of
Rathdrum City Of
Hillside Service Area
Rimrock Service Area
Twin Lakes Service Area
Hayden Pines Grouse Meadows
Chilco Service Area
Gozzer Ranch
All resolvedNew Life Community Church
Mountain View Terrace
Elkhorn Ranch
Chester A Park
Hayden Haven / Gem Shores
All resolvedUpper Twin Lakes Water Company Inc
1 health-basedLeisure Acres Trailer Court
Atlas Acres
Twinlow Residents Deep Well
4 health-basedHoyt Bluff Water Association
Panhandle Mobile Estates
Valley Green
Hayden Orchards Water System
Ohio Match Estates
2 health-basedPanhandle Village Water System
Eagle City Park
Tlv Limited
Lake Forest Homes Assn Inc
All resolvedDry Acres Water And Sewer Dist
Hayden Pines Water Co
Catholic Private School
East Seasons Acres
Meadowland Acres
Seasons Road Water Assn
Pinewood Water System
Ranch Valley Water Assn
Singer Ranch Water System
Ashley Estates Water Assn
All resolvedBeauty Bay Estates
Lone Mountain Water System
Pend Oreille Valley School
Singing Hills Childcare
Central Pre-Mix Concrete Plant
Honeysuckle Hills Owners Assn Inc
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jul 2025
How Does This Compare?
Coeur D Alene (83858) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 31.
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.