Is Royalton, IL Tap Water Safe to Drink?
Graded B, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
76.5/100
waterverge.com Royalton, IL — Water Quality Report
Royalton's drinking water received a grade of B (76.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,118 residents using purchased surface water.
Lead levels were measured at 2.6 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 25 violations on record, including 0 health-based violations. 6 remain unresolved.
What to know about Royalton's water
Royalton ranks #653 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.
As a small community water system, Royalton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 11 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Royalton, IL water safe to drink?
Royalton's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,118 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Royalton
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Royalton's water quality assessment. Grade: B (76.5/100).
Contaminants: LEAD AND COPPER RULE REVISIONS, Lead and Copper Rule, Total Haloacetic Acids (HAA5).
Contaminants: Revised Total Coliform Rule, Chloramine.
Contaminants: Lead and Copper Rule.
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 Royalton's water supply.
Well within EPA limits.
Violation history
Royalton's water system has 25 total violations on record, including 0 health-based violations. 6 remain unresolved. 11 violations were issued in the last 5 years.
Flood & environmental risk
Franklin 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 Big Muddy River.
Where does Royalton's water come from?
Royalton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,118 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Big Muddy River (river).
What Royalton residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Royalton'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 Royalton
Industrial polluters nearby
Reported releases to surface water by facilities near Royalton, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
PRYSMIAN CABLES & SYSTEMS USA LLC DU QUOIN, IL62832 | — | — | 10.0 mi |
CROWNLINE BOATS WEST FRANKFORT, IL62896 | — | — | 9.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D1 — moderate droughtFranklin County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Franklin 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. | 2.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Royalton compares by contaminant
Explore where Royalton ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Royalton's water comes from
Royalton'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 1,118 people through 1 water system.
Water bodies near Royalton
Royalton is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Royalton
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ROYALTON | IL0555030 | 1,118 | SWP |
How Royalton compares
Full Illinois rankings →Royalton's score of 76.5/100 is above the average of 56/100 among major Illinois cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Illinois rankings →About Royalton, IL
Wikipedia →Royalton is a village in Franklin County, Illinois, United States. The population was 1,068 at the 2020 census.
Learn more about your water
Guides and resources related to Royalton's water quality findings.
Explore water quality across Franklin
Frequently asked questions
Is Royalton, IL tap water safe to drink?
Royalton's water quality earned a grade of B (76.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #653 out of 891 cities tested in Illinois.
What contaminants are in Royalton's water?
Lead was measured at 2.6 ppb (90th percentile). 25 violations are on record.
How is Royalton'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 Royalton?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Royalton's water come from?
Royalton's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,118 residents.
How does Royalton's water compare to other cities?
Royalton ranks #653 out of 891 cities in Illinois (better than 27% of state cities) and #9287 out of 15744 cities nationally (41th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Royalton's small water system affect quality?
Royalton's system serves approximately 1,118 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 25 violations on record.