Is Saint Anne, IL Tap Water Safe to Drink?
Graded C+, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
65.2/100
Saint Anne, IL — Water Quality Report
Saint Anne's drinking water received a grade of C+ (65.2 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,200 residents using groundwater.
Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 50 violations on record, including 3 health-based violations. 10 remain unresolved.
What to know about Saint Anne's water
Saint Anne ranks #779 out of 891 cities in Illinois for water quality, placing it among the lowest-rated in the state.
Saint Anne relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Saint Anne may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 35 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Saint Anne, IL water safe to drink?
Saint Anne's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (65.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,200 residents using groundwater (wells).
Recent water quality updates for Saint Anne
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Saint Anne's water quality assessment. Grade: C+ (65.2/100).
Contaminants: Lead and Copper Rule.
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: Public Notice.
Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-373). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Saint Anne's water supply.
Well within EPA limits.
Violation history
Saint Anne's water system has 50 total violations on record, including 3 health-based violations. 10 remain unresolved. 35 violations were issued in the last 5 years.
Flood & environmental risk
Kankakee County has experienced 2 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Kankakee River, Iroquois River.
Where does Saint Anne's water come from?
Saint Anne's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,200 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Kankakee River (river), Iroquois River (river).
What Saint Anne residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Saint Anne's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
Kankakee County has experienced 2 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Saint Anne compares by contaminant
Explore where Saint Anne ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Saint Anne's water comes from
Saint Anne's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 1,200 people through 1 water system.
Water bodies near Saint Anne
Saint Anne is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Saint Anne
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ST ANNE | IL0910700 | 1,200 | GW |
How Saint Anne compares
Full Illinois rankings →Saint Anne's score of 65.2/100 is above the average of 56/100 among major Illinois cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Illinois rankings →Learn more about your water
Guides and resources related to Saint Anne's water quality findings.
Explore water quality across Kankakee
Frequently asked questions
Is Saint Anne, IL tap water safe to drink?
Saint Anne's water quality earned a grade of C+ (65.2/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #779 out of 891 cities tested in Illinois.
What contaminants are in Saint Anne's water?
Lead was measured at 0.0 ppb (90th percentile). 50 violations are on record.
How is Saint Anne's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Saint Anne?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Saint Anne's water come from?
Saint Anne's water is sourced from Groundwater. The city has 1 water system serving approximately 1,200 residents.
What health violations has Saint Anne's water system had?
Saint Anne has 3 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.
Is Saint Anne's groundwater at risk of contamination?
Saint Anne uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 50 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Saint Anne's water compare to other cities?
Saint Anne ranks #779 out of 891 cities in Illinois (better than 13% of state cities) and #11556 out of 15744 cities nationally (27th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Saint Anne's small water system affect quality?
Saint Anne's system serves approximately 1,200 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 50 violations on record.