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Non-Transient Non-Community Water System · PWS IL3065383

Nouryon Surface Chemistry LLC

Morris, Illinois 60450 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
358
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 358 drinking-water violations at Nouryon Surface Chemistry LLC - above the Illinois per-system average.

358
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Nouryon Surface Chemistry LLC

Nouryon Surface Chemistry LLC is a private-owned non-transient non-community water system that delivers drinking water to 100 residents in Morris, Illinois (Grundy County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 358 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 358 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 32 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%).

Nouryon Surface Chemistry LLC's 358 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
100
Total Violations
358
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Grundy
School/Daycare
No
MCL Violations
0
Monitoring Violations
358
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 32 2024
TTHM MR 23 2020
Total Haloacetic Acids (HAA5) MR 23 2020
Lead and Copper Rule MR 16 2020
Chlorine MR 7 2024
Revised Total Coliform Rule MON 6 2020
Tetrachloroethylene MR 5 2020
Ethylbenzene MR 5 2020
Styrene MR 5 2020
BHC-GAMMA MR 5 2011
Methoxychlor MR 5 2011
Toxaphene MR 5 2011
Diquat MR 5 2011
OXAMYL MR 5 2011
Simazine MR 5 2011
Atrazine MR 5 2011
Heptachlor epoxide MR 5 2011
2,4,5-TP MR 5 2011
Pentachlorophenol MR 5 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 5 2011
ETHYLENE DIBROMIDE MR 5 2011
Chlordane MR 5 2011
Barium MR 5 2011
Mercury MR 5 2011
Antimony, Total MR 5 2011
Thallium, Total MR 5 2011
1,2,4-Trichlorobenzene MR 5 2020
Xylenes, Total MR 5 2020
o-Dichlorobenzene MR 5 2020
Vinyl chloride MR 5 2020

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 Nouryon Surface Chemistry LLC.

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 IL3065383 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 Nouryon Surface Chemistry LLC 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 Arsenic MR 32 SDWIS / IL3065383 / 1005
2024 Chlorine MR 7 SDWIS / IL3065383 / 0999
2020 TTHM MR 23 SDWIS / IL3065383 / 2950
2020 Total Haloacetic Acids (HAA5) MR 23 SDWIS / IL3065383 / 2456
2020 Lead and Copper Rule MR 16 SDWIS / IL3065383 / 5000
2020 Revised Total Coliform Rule MON 6 SDWIS / IL3065383 / 8000
2020 Tetrachloroethylene MR 5 SDWIS / IL3065383 / 2987
2020 Ethylbenzene MR 5 SDWIS / IL3065383 / 2992
2020 Styrene MR 5 SDWIS / IL3065383 / 2996
2020 1,2,4-Trichlorobenzene MR 5 SDWIS / IL3065383 / 2378
2020 Xylenes, Total MR 5 SDWIS / IL3065383 / 2955
2020 o-Dichlorobenzene MR 5 SDWIS / IL3065383 / 2968
2020 Vinyl chloride MR 5 SDWIS / IL3065383 / 2976
2020 1,1-Dichloroethylene MR 5 SDWIS / IL3065383 / 2977
2020 trans-1,2-Dichloroethylene MR 5 SDWIS / IL3065383 / 2979

How Nouryon Surface Chemistry LLC Compares

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

Metric Nouryon Surface Chemistry LLC Illinois avg Federal benchmark
Total violations 358 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 100 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 Nouryon Surface Chemistry LLC water safe to drink? ▼
Nouryon Surface Chemistry LLC (PWS ID: IL3065383) has 358 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Nouryon Surface Chemistry LLC serve? ▼
Nouryon Surface Chemistry LLC serves 100 people in Morris, Illinois. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Nouryon Surface Chemistry LLC have? ▼
Nouryon Surface Chemistry LLC has 358 total violations: 0 health-based violations (MCL exceedances or treatment failures), 358 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Nouryon Surface Chemistry LLC water? ▼
No PFAS testing data is available for Nouryon Surface Chemistry LLC under the EPA's UCMR5 monitoring program.
What water source does Nouryon Surface Chemistry LLC use? ▼
Nouryon Surface Chemistry LLC 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.