Is Tamaroa, IL Tap Water Safe to Drink?
Graded A- — but Chlorate was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
86.5/100
Tamaroa, IL — Water Quality Report
Tamaroa's drinking water received a grade of A- (86.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,197 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 1 violation on record, including 0 health-based violations. 1 remains unresolved.
What to know about Tamaroa's water
Tamaroa ranks #318 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.
Hexavalent chromium (chromium-6) was detected at 1.10 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.
As a small community water system, Tamaroa may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Tamaroa, IL water safe to drink?
Tamaroa's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (86.5/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,197 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Tamaroa
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Tamaroa's water quality assessment. Grade: A- (86.5/100).
Key contaminant findings
Based on the most recent EPA sampling data for Tamaroa's water supply.
Well within EPA limits.
Violation history
Tamaroa's water system has 1 total violation on record, including 0 health-based violations. 1 remain unresolved.
Where does Tamaroa's water come from?
Tamaroa's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,197 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Tamaroa residents can do
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 Tamaroa
Industrial polluters nearby
Reported releases to surface water by facilities near Tamaroa, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
COOPER B-LINE INC PINCKNEYVILLE ILLINOIS PINCKNEYVILLE, IL62274 | — | — | 8.0 mi |
DUQUOIN LUBRICANTS BLENDING & PACKAGING DIV DU QUOIN, IL62832 | — | — | 7.8 mi |
ILLINOIS MPP CORP DU QUOIN, IL62832 | — | — | 8.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
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 Tamaroa compares by contaminant
Explore where Tamaroa ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Tamaroa's water comes from
Tamaroa'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 2,197 people through 1 water system.
Water systems serving Tamaroa
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TAMAROA | IL1450250 | 2,197 | SWP |
How Tamaroa compares
Full Illinois rankings →Tamaroa's score of 86.5/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Illinois rankings →About Tamaroa, IL
Wikipedia →Du Quoin is a city in Perry County, Illinois, United States. As of the 2020 census, Du Quoin had a population of 5,827. It is best known for hosting the annual DuQuoin State Fair and the Street Machine Nationals.
Learn more about your water
Guides and resources related to Tamaroa's water quality findings.
Explore water quality across Perry
Frequently asked questions
Is Tamaroa, IL tap water safe to drink?
Tamaroa's water quality earned a grade of A- (86.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #318 out of 891 cities tested in Illinois.
What contaminants are in Tamaroa's water?
Lead was measured at 0.0 ppb (90th percentile). 1 violation is on record.
How is Tamaroa'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 Tamaroa?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Tamaroa's water come from?
Tamaroa's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,197 residents.
How does Tamaroa's water compare to other cities?
Tamaroa ranks #318 out of 891 cities in Illinois (better than 64% of state cities) and #4672 out of 15744 cities nationally (70th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Tamaroa's small water system affect quality?
Tamaroa's system serves approximately 2,197 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 1 violation on record.