Water Quality in Hermiston, OR (97838)
EPA violation data for public water systems serving ZIP code 97838.
Active Health Violations
12 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 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
28,512
Population
39
Water Systems
133
Violations (5yr)
12
Health-Based
Location
Loading map...
Water Systems Serving This Area (39)
Hermiston, City Of
All resolvedPendleton, City Of
All resolvedSpace Age Fuel
Lamb Weston
All resolvedOne Stop Mart #27
All resolvedVista Home Park
All resolvedUnion Pacific Rr-Wtr Svc Dept
River Point Farms Llc
1 health-basedCharles Tracts Water Company
All resolvedShort Stop #1
One Stop Mart #18
All resolvedChart Subdivision
All resolvedBurbank Shell
Hinkle Railroad Inn
Shady Rest Mobile Court
All resolvedHat Rock Water Company
All resolvedNorth Hill Water Corporation
2 health-basedDegroffs Mobile Village
Comfort Inn & Suites-Hermiston
1 health-basedBellinger Produce Llc
5 health-basedColumbia Basin Onion
3 health-basedFed Ex - Hermiston
All resolvedWestland Estates Water System
Buttercreek Rec Complex & Rest
Alive And Well
All resolvedBlack Mountain Water District
All resolvedHermiston Adventist School
Pierre Ford - Hermiston
All resolvedClark'S Family Fun Barn
Hat Rock Amusement Park
Rainbow Flea Market
Paddock Tavern
Lamb Weston Hermiston Ii
Grove Drive In Theatre
La Siesta Motel-% E.E. Beehler
Hermiston Power Llc
Fordice Water System
All resolvedCamp Umatilla - North
Mcnary Yacht Club
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Hermiston (97838) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 133.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
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.