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Non-Transient Non-Community Water System · PWS IL3117887

Sauk Valley College

Dixon, Illinois 61021 - drinking water served from groundwater sources to 500 people, tracked in EPA SDWIS and UCMR5.

500
People served
54
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 54 drinking-water violations at Sauk Valley College - below the Illinois per-system average.

54
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sauk Valley College

Sauk Valley College is a public/private-owned non-transient non-community water system that delivers drinking water to 500 residents in Dixon, Illinois (Lee County) through 6 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 54 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 54 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Arsenic, recorded in 4 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%).

Sauk Valley College's 54 violations sit below 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
54
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Public/Private
Connections
6
County
Lee
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
54
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 4 2005
Revised Total Coliform Rule MON 4 2024
Chlorine MR 3 2024
1,2,4-Trichlorobenzene MR 1 2010
o-Dichlorobenzene MR 1 2010
1,1-Dichloroethylene MR 1 2010
trans-1,2-Dichloroethylene MR 1 2010
1,1,1-Trichloroethane MR 1 2010
Carbon tetrachloride MR 1 2010
1,2-Dichloropropane MR 1 2010
Tetrachloroethylene MR 1 2010
BHC-GAMMA MR 1 2008
Methoxychlor MR 1 2008
Diquat MR 1 2008
Glyphosate MR 1 2008
OXAMYL MR 1 2008
Simazine MR 1 2008
Carbofuran MR 1 2008
Atrazine MR 1 2008
Heptachlor MR 1 2008
Heptachlor epoxide MR 1 2008
2,4-D MR 1 2008
2,4,5-TP MR 1 2008
Pentachlorophenol MR 1 2008
Total Polychlorinated Biphenyls (PCB) MR 1 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2008
ETHYLENE DIBROMIDE MR 1 2008
Chlordane MR 1 2008
1,2-Dichloroethane MR 1 2010
Trichloroethylene MR 1 2010

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 Sauk Valley College.

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 IL3117887 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 Sauk Valley College 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
2024 Revised Total Coliform Rule MON 4 SDWIS / IL3117887 / 8000
2024 Chlorine MR 3 SDWIS / IL3117887 / 0999
2010 1,2,4-Trichlorobenzene MR 1 SDWIS / IL3117887 / 2378
2010 o-Dichlorobenzene MR 1 SDWIS / IL3117887 / 2968
2010 1,1-Dichloroethylene MR 1 SDWIS / IL3117887 / 2977
2010 trans-1,2-Dichloroethylene MR 1 SDWIS / IL3117887 / 2979
2010 1,1,1-Trichloroethane MR 1 SDWIS / IL3117887 / 2981
2010 Carbon tetrachloride MR 1 SDWIS / IL3117887 / 2982
2010 1,2-Dichloropropane MR 1 SDWIS / IL3117887 / 2983
2010 Tetrachloroethylene MR 1 SDWIS / IL3117887 / 2987
2010 1,2-Dichloroethane MR 1 SDWIS / IL3117887 / 2980
2010 Trichloroethylene MR 1 SDWIS / IL3117887 / 2984
2010 CHLOROBENZENE MR 1 SDWIS / IL3117887 / 2989
2010 cis-1,2-Dichloroethylene MR 1 SDWIS / IL3117887 / 2380
2010 1,1,2-Trichloroethane MR 1 SDWIS / IL3117887 / 2985

How Sauk Valley College Compares

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

Metric Sauk Valley College Illinois avg Federal benchmark
Total violations 54 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 Sauk Valley College water safe to drink?
Sauk Valley College (PWS ID: IL3117887) has 54 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 Sauk Valley College serve?
Sauk Valley College serves 500 people in Dixon, Illinois. It is a Public/Private-owned system using Groundwater water sources with 6 service connections.
What type of violations does Sauk Valley College have?
Sauk Valley College has 54 total violations: 0 health-based violations (MCL exceedances or treatment failures), 54 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sauk Valley College water?
No PFAS testing data is available for Sauk Valley College under the EPA's UCMR5 monitoring program.
What water source does Sauk Valley College use?
Sauk Valley College 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.