Water Quality: Geneseo, IL
10 water systems • 8,075 people served
Multiple Health ViolationsWater Quality Summary
Geneseo is served by 10 public water systems with a combined service population of 8,075 people, and has 256 EPA Safe Drinking Water Act violations on record. Critically, 128 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Geneseo's violation count is 788% above the national average for Illinois. Contaminants associated with violations include Barium, Disinfection Byproducts, Stage 2 DBP.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Water Systems Serving Geneseo
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| GENESEO | IL0730500 | Groundwater | 6,539 | 4 |
| GENESEO HILLS SUBDIVISION | IL0735600 | Groundwater | 500 | 15 |
| HAZELWOOD HEIGHTS SUBDIVISION | IL0735220 | Groundwater | 235 | 15 |
| COUNTRY ESTATES SUBDIVISION | IL0735050 | Groundwater | 188 | 11 |
| HAZELWOOD 4TH ADDITION | IL0735350 | Groundwater | 140 | 12 |
| TIMBER BROOK ESTATES | IL0735450 | Groundwater | 120 | 8 |
| LYNWOOD 3RD ADDITION | IL0735280 | Groundwater | 100 | 80 |
| NORTH HAZELWOOD SBDV | IL0735850 | Groundwater | 100 | 23 |
| GENESEO HICKORY HILLS HOA | IL0730080 | Groundwater | 83 | 85 |
| HAZELWOOD WEST SUBDIVISION | IL0735250 | Groundwater | 70 | 3 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Illinois
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.