PlainWater

Non-Transient Non-Community Water System · PWS IL3005413

Rooks Creek Elementary School

Graymont, Illinois 61743 - drinking water served from groundwater sources to 66 people, tracked in EPA SDWIS and UCMR5.

66
People served
342
EPA violations
99
Health-based
Untested
UCMR5 result

The verdict

EPA records 342 drinking-water violations at Rooks Creek Elementary School, 29% of them health-based - above the Illinois per-system average.

342
Total EPA violations on record
29%
Health-based (MCL / treatment failure)
66
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Rooks Creek Elementary School

Rooks Creek Elementary School is a public/private-owned non-transient non-community water system that delivers drinking water to 66 residents in Graymont, Illinois (Livingston County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 342 total violations for this system , of which 99 (29%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 232 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 43 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Illinois, EPA tracks 5,117 public water systems serving 12,576,876 people, with 355,322 cumulative violations and 52,932 health-based violations on record. About 81% of systems in the state carry at least one violation, and state-wide the average per system is 69.4 violations. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Rooks Creek Elementary School's 342 violations sit above the Illinois average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
66
Total Violations
342
Health-Based Violations
99
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Public/Private
Connections
1
County
Livingston
School/Daycare
Yes
MCL Violations
95
Monitoring Violations
232
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 43 2020
Total Haloacetic Acids (HAA5) MCL 36 2021
Revised Total Coliform Rule MON 14 2024
Coliform (TCR) MCL 11 2010
TTHM MR 11 2025
Total Haloacetic Acids (HAA5) MR 11 2025
Dalapon MR 10 2012
Chlorine MR 8 2024
Public Notice Other 5 2024
Lead and Copper Rule MR 5 2024
cis-1,2-Dichloroethylene MR 5 2024
Xylenes, Total MR 5 2024
DICHLOROMETHANE MR 5 2024
o-Dichlorobenzene MR 5 2024
Vinyl chloride MR 5 2024
1,1-Dichloroethylene MR 5 2024
1,2-Dichloroethane MR 5 2024
1,2-Dichloropropane MR 5 2024
1,1,2-Trichloroethane MR 5 2024
Benzene MR 5 2024
Toluene MR 5 2024
Revised Total Coliform Rule MCL 5 2024
1,2,4-Trichlorobenzene MR 5 2024
p-Dichlorobenzene MR 5 2024
1,1,1-Trichloroethane MR 5 2024
Carbon tetrachloride MR 5 2024
Trichloroethylene MR 5 2024
CHLOROBENZENE MR 5 2024
Ethylbenzene MR 5 2024
Styrene MR 5 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Rooks Creek Elementary School.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IL3005413 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Illinois Drinking Water Authority

Illinois EPA, Bureau of Water is the primacy agency that licenses and inspects Rooks Creek Elementary School under EPA-delegated authority.

Open IL regulator portal

Source: Illinois EPA, Bureau of Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 TTHM MR 11 SDWIS / IL3005413 / 2950
2025 Total Haloacetic Acids (HAA5) MR 11 SDWIS / IL3005413 / 2456
2024 Revised Total Coliform Rule MON 14 SDWIS / IL3005413 / 8000
2024 Chlorine MR 8 SDWIS / IL3005413 / 0999
2024 Public Notice Other 5 SDWIS / IL3005413 / 7500
2024 Lead and Copper Rule MR 5 SDWIS / IL3005413 / 5000
2024 cis-1,2-Dichloroethylene MR 5 SDWIS / IL3005413 / 2380
2024 Xylenes, Total MR 5 SDWIS / IL3005413 / 2955
2024 DICHLOROMETHANE MR 5 SDWIS / IL3005413 / 2964
2024 o-Dichlorobenzene MR 5 SDWIS / IL3005413 / 2968
2024 Vinyl chloride MR 5 SDWIS / IL3005413 / 2976
2024 1,1-Dichloroethylene MR 5 SDWIS / IL3005413 / 2977
2024 1,2-Dichloroethane MR 5 SDWIS / IL3005413 / 2980
2024 1,2-Dichloropropane MR 5 SDWIS / IL3005413 / 2983
2024 1,1,2-Trichloroethane MR 5 SDWIS / IL3005413 / 2985

How Rooks Creek Elementary School Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Rooks Creek Elementary School Illinois avg Federal benchmark
Total violations 342 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 99 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 66 2,458 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,117 regulated public water systems in Illinois.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Rooks Creek Elementary School water safe to drink?
Rooks Creek Elementary School (PWS ID: IL3005413) has 342 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 66 people using Groundwater sources.
How many people does Rooks Creek Elementary School serve?
Rooks Creek Elementary School serves 66 people in Graymont, Illinois. It is a Public/Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Rooks Creek Elementary School have?
Rooks Creek Elementary School has 342 total violations: 99 health-based violations (MCL exceedances or treatment failures), 232 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Rooks Creek Elementary School water?
No PFAS testing data is available for Rooks Creek Elementary School under the EPA's UCMR5 monitoring program.
What water source does Rooks Creek Elementary School use?
Rooks Creek Elementary School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.