Is New Douglas, IL Tap Water Safe to Drink?
Graded B, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
76/100
waterverge.com New Douglas, IL — Water Quality Report
New Douglas's drinking water received a grade of B (76 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,575 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 14 violations on record, including 6 health-based violations. 3 remain unresolved.
What to know about New Douglas's water
New Douglas ranks #658 out of 891 cities in Illinois for water quality, placing it below average 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.
The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is New Douglas, IL water safe to drink?
New Douglas's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,575 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for New Douglas
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into New Douglas's water quality assessment. Grade: B (76/100).
1 health-based. Contaminants: Interim Enhanced Surface Water Treatment Rule.
1 health-based. Contaminants: Interim Enhanced Surface Water Treatment Rule.
2 health-based. Contaminants: Interim Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5).
Federal disaster declaration (FEMA DR-4461). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for New Douglas's water supply.
Well within EPA limits.
Violation history
New Douglas's water system has 14 total violations on record, including 6 health-based violations. 3 remain unresolved. 7 violations were issued in the last 5 years.
Flood & environmental risk
Madison County has experienced 6 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does New Douglas's water come from?
New Douglas's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,575 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What New Douglas residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in New Douglas'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.
New Douglas's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
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 New Douglas
Industrial polluters nearby
Reported releases to surface water by facilities near New Douglas, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
MENNEL MILLING CO OF ILLINOIS MOUNT OLIVE, IL62069 | — | — | 7.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Madison County has experienced 6 federally declared disasters since 1969. 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 New Douglas compares by contaminant
Explore where New Douglas ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where New Douglas's water comes from
New Douglas'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 3,575 people through 1 water system.
Water systems serving New Douglas
| System Name | PWSID | Population | Source |
|---|---|---|---|
| THREE COUNTY PWD | IL1195450 | 3,575 | SWP |
How New Douglas compares
Full Illinois rankings →New Douglas's score of 76/100 is above the average of 56/100 among major Illinois cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Illinois rankings →About New Douglas, IL
Wikipedia →New Douglas is a village in Madison County, Illinois, United States. The population was 350 at the 2020 census.
Learn more about your water
Guides and resources related to New Douglas's water quality findings.
Explore water quality across Madison
Frequently asked questions
Is New Douglas, IL tap water safe to drink?
New Douglas's water quality earned a grade of B (76/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #658 out of 891 cities tested in Illinois.
What contaminants are in New Douglas's water?
Lead was measured at 0.0 ppb (90th percentile). 14 violations are on record.
How is New Douglas'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 New Douglas?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does New Douglas's water come from?
New Douglas's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,575 residents.
What health violations has New Douglas's water system had?
New Douglas has 6 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
How does New Douglas's water compare to other cities?
New Douglas ranks #658 out of 891 cities in Illinois (better than 26% of state cities) and #9419 out of 15744 cities nationally (40th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.