Public water system · IL3111278
ActivePolynt Composites USA, Inc.
At a glance
Polynt Composites USA, Inc. (PWSID IL3111278) is an active non-transient non-community water system in Grundy County, Illinois. It reports serving 120 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
5
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Polynt Composites USA, Inc. compare with other water systems in Grundy County?
By EPA's size categories, Polynt Composites USA, Inc. is a very small system (500 people or fewer). Grundy County has 51 active public water systems. Its population served is well below the county average of 1,002 people per system, and accounts for 0.2% of the 51,074 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Polynt Composites USA, Inc. is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Illinois has 396 active non-transient non-community water systems, 10% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.
Who owns and regulates Polynt Composites USA, Inc.?
EPA lists Polynt Composites USA, Inc. as under public/private ownership. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 9 of the 51 active systems in Grundy County (18%) are also under public/private ownership.
Does Polynt Composites USA, Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2025. The violations listed here began between January 2021 and September 2025. By type: 9 monitoring and reporting, 1 required treatment not met, 1 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-09-23 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2022-05-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Polynt Composites USA, Inc.: frequently asked questions
Who runs Polynt Composites USA, Inc.?
Polynt Composites USA, Inc. (PWSID IL3111278) is a non-transient non-community water system under public/private ownership. It is regulated by the IL state drinking water program.
How many people does Polynt Composites USA, Inc. serve?
Polynt Composites USA, Inc. reports serving 120 people through 5 service connections in Grundy County, Illinois.
Where does Polynt Composites USA, Inc. get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Polynt Composites USA, Inc. have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Polynt Composites USA, Inc.'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2025. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Polynt Composites USA, Inc.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Polynt Composites USA, Inc. is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Grundy County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Morris | Grundy | 14,775 | Community | Groundwater |
| Minooka | Grundy | 12,800 | Community | Groundwater |
| Coal City | Grundy | 5,749 | Community | Groundwater |
| Diamond | Grundy | 2,508 | Community | Groundwater |
| Coal City Area Club | Grundy | 2,500 | Transient non-community | Groundwater |
| Gardner | Grundy | 1,361 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Polynt Composites USA, Inc., PWSID IL3111278, Illinois”, https://aquacensus.com/water-systems/illinois/polynt-composites-usa-inc-il3111278 (data as of October 1, 2026).