Water Quality in Monmouth, IL (61462)
EPA violation data for public water systems serving ZIP code 61462.
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 82% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
10,458
Population
44
Water Systems
26
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (44)
Monmouth
1 health-basedAbingdon
Warren School District #222
United School District 304
2 health-basedLittle Swan Lake Sd
Yorkwood Elementary School
Yorkwood Community School
Yorkwood Elementary School
Sams Speakeasy
Harvest Bible Chapel
Fairview Center Methodist Ch
Bayer Us Crop Sco.Monsanto Company
St Augustine
All resolvedWarren Sch Dist #222(Cameron)
River Of Life Church
Western Illinois Boat Club
1 health-basedSave-A-Lot Vending Machine
Sugar Tree Grove Church
Mac'S Kountry Korner
Marvin E Clark Veterinary Clin
Young All Terrain Vehicle Sale
Farm King Supply
Warren Co Livestock Sales Co
Flatt'S Electric
Winkler Feed Service
Warren County Sales Barn Cafe
Warren County Sales Barn Cafe
Farm King Supply
Lake Warren
Marvin E Clark Veterinary Clin
Winkler Feed Service
Gibson Beauty Shop
Tom And Linda Foods Vending
Fairview Center Methodist Ch
Young All Terrain Vehicle Sale
Flatt'S Electric
Gibson Beauty Shop
Rest Area Idot
Warren Co Livestock Sales Co
Eagle Food Store Vending Machi
Sugar Tree Grove Church
Sue'S Sunshine Place
Giant Food Store - South Tap
Hickory Grove Lake Company
3 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Monmouth (61462) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 26.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.