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Non-Transient Non-Community Water System · PWS IL3002931

Spring Grove Elementary School

Spring Grove, Illinois 60081 - drinking water served from groundwater sources to 500 people, tracked in EPA SDWIS and UCMR5.

500
People served
103
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 103 drinking-water violations at Spring Grove Elementary School, 4% of them health-based - above the Illinois per-system average.

103
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Spring Grove Elementary School

Spring Grove Elementary School is a local-owned non-transient non-community water system that delivers drinking water to 500 residents in Spring Grove, Illinois (McHenry County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 103 total violations for this system , of which 4 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 95 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 Lead and Copper Rule, recorded in 15 violations (MR). 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%).

Spring Grove Elementary School's 103 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
500
Total Violations
103
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
McHenry
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
95
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 15 2025
Coliform (TCR) MR 6 1996
2,4,5-TP MR 6 2020
Picloram MR 6 2020
Pentachlorophenol MR 6 2020
2,4-D MR 6 2020
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
Barium MR 2 1996
Cadmium MR 2 1996
CYANIDE MR 2 1996
Thallium, Total MR 2 1996
Toxaphene MR 2 2002
Atrazine MR 2 2002
Heptachlor MR 2 2002
ETHYLENE DIBROMIDE MR 2 2002
Simazine MR 2 2002
BHC-GAMMA MR 2 2002
Methoxychlor MR 2 2002
Mercury MR 2 1996
Carbofuran MR 2 2002
Chromium MR 2 1996
Endothall MR 2 2002
Heptachlor epoxide MR 2 2002
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2002
OXAMYL MR 2 2002
Glyphosate MR 2 2002
Chlordane MR 2 2002
Diquat MR 2 2002
Beryllium, Total MR 2 1996

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 Spring Grove 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 IL3002931 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 Spring Grove 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 Lead and Copper Rule MR 15 SDWIS / IL3002931 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / IL3002931 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / IL3002931 / 5200
2020 2,4,5-TP MR 6 SDWIS / IL3002931 / 2110
2020 Picloram MR 6 SDWIS / IL3002931 / 2040
2020 Pentachlorophenol MR 6 SDWIS / IL3002931 / 2326
2020 2,4-D MR 6 SDWIS / IL3002931 / 2105
2002 Toxaphene MR 2 SDWIS / IL3002931 / 2020
2002 Atrazine MR 2 SDWIS / IL3002931 / 2050
2002 Heptachlor MR 2 SDWIS / IL3002931 / 2065
2002 ETHYLENE DIBROMIDE MR 2 SDWIS / IL3002931 / 2946
2002 Simazine MR 2 SDWIS / IL3002931 / 2037
2002 BHC-GAMMA MR 2 SDWIS / IL3002931 / 2010
2002 Methoxychlor MR 2 SDWIS / IL3002931 / 2015
2002 Carbofuran MR 2 SDWIS / IL3002931 / 2046

How Spring Grove Elementary School Compares

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

Metric Spring Grove Elementary School Illinois avg Federal benchmark
Total violations 103 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 500 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 Spring Grove Elementary School water safe to drink? ▼
Spring Grove Elementary School (PWS ID: IL3002931) has 103 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does Spring Grove Elementary School serve? ▼
Spring Grove Elementary School serves 500 people in Spring Grove, Illinois. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Spring Grove Elementary School have? ▼
Spring Grove Elementary School has 103 total violations: 4 health-based violations (MCL exceedances or treatment failures), 95 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Spring Grove Elementary School water? ▼
No PFAS testing data is available for Spring Grove Elementary School under the EPA's UCMR5 monitoring program.
What water source does Spring Grove Elementary School use? ▼
Spring Grove 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.

Read our methodology - how this data is sourced, computed, and verified.

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.