Is East Carondelet, IL Tap Water Safe to Drink?
Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
86.6/100
waterverge.com East Carondelet, IL — Water Quality Report
East Carondelet's drinking water received a grade of A- (86.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,863 residents using purchased surface water.
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 12 violations on record, including 0 health-based violations. 6 remain unresolved.
What to know about East Carondelet's water
East Carondelet ranks #312 out of 891 cities in Illinois for water quality, placing it mid-range in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, East Carondelet may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is East Carondelet, IL water safe to drink?
East Carondelet's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,863 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for East Carondelet
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into East Carondelet's water quality assessment. Grade: A- (86.6/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Key contaminant findings
Based on the most recent EPA sampling data for East Carondelet's water supply.
Well within EPA limits.
Violation history
East Carondelet's water system has 12 total violations on record, including 0 health-based violations. 6 remain unresolved.
Where does East Carondelet's water come from?
East Carondelet's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,863 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Mississippi River At St. Louis (river), River Des Peres Near University City (river), River Des Peres Tributary At Pagedale (river), Engelholm Creek Near Wellston (river), River Des Peres At Macklind Ave, St Louis (river).
What East Carondelet residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in East Carondelet'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
Top industrial polluters within 10 miles of East Carondelet
Industrial polluters nearby
Reported releases to surface water by facilities near East Carondelet, ranked by pounds discharged annually.
Total reported releases to surface water: 6 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
AGRAFORM SAINT LOUIS, MO63111 | Chlorothalonil | 5 | 1.1 mi |
J D STREETT & CO INC SAINT LOUIS, MO63118 | Toluene | 1 | 3.3 mi |
AFTON CHEMICAL CORP SAUGET, IL62201 | — | — | 5.8 mi |
VEOLIA N.A. INC. SAUGET, IL62201 | — | — | 5.2 mi |
SOLVAY FLUORIDES LLC EAST SAINT LOUIS, IL62205 | — | — | 7.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of East Carondelet
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- SAUGET AREA 14.9 mi
- SAUGET AREA 25.2 mi
Source: EPA Superfund National Priorities List
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 East Carondelet compares by contaminant
Explore where East Carondelet ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where East Carondelet's water comes from
East Carondelet's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 1,863 people through 1 water system.
Water bodies near East Carondelet
East Carondelet is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving East Carondelet
| System Name | PWSID | Population | Source |
|---|---|---|---|
| PRAIRIE DUPONT PWD | IL1635070 | 1,863 | SWP |
How East Carondelet compares
Full Illinois rankings →East Carondelet's score of 86.6/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Illinois rankings →About East Carondelet, IL
Learn more about your water
Guides and resources related to East Carondelet's water quality findings.
Explore water quality across St. Clair
Frequently asked questions
Is East Carondelet, IL tap water safe to drink?
East Carondelet's water quality earned a grade of A- (86.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #312 out of 891 cities tested in Illinois.
What contaminants are in East Carondelet's water?
Lead was measured at 0.0 ppb (90th percentile). 12 violations are on record.
How is East Carondelet'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 East Carondelet?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does East Carondelet's water come from?
East Carondelet's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,863 residents.
How does East Carondelet's water compare to other cities?
East Carondelet ranks #312 out of 891 cities in Illinois (better than 65% of state cities) and #4607 out of 15744 cities nationally (71th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does East Carondelet's small water system affect quality?
East Carondelet's system serves approximately 1,863 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 12 violations on record.