Public water system · IL3042127
ActiveSolstice Advanced Materials Us, Inc.
At a glance
Solstice Advanced Materials Us, Inc. (PWSID IL3042127) is an active non-transient non-community water system in Massac County, Illinois. It reports serving 470 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
470
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Solstice Advanced Materials Us, Inc. compare with other water systems in Massac County?
By EPA's size categories, Solstice Advanced Materials Us, Inc. is a very small system (500 people or fewer). Massac County has 5 active public water systems, and Solstice Advanced Materials Us, Inc. is the 4th-largest of them by population served. Its population served is well below the county average of 2,849 people per system, and accounts for 3.3% of the 14,244 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 Solstice Advanced Materials Us, Inc. is roughly in line with 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 Solstice Advanced Materials Us, Inc.?
EPA lists Solstice Advanced Materials Us, Inc. as privately owned. 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. 1 of the 5 active systems in Massac County (20%) are also privately owned.
Does Solstice Advanced Materials Us, Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2025. The violations listed here began between January 2024 and October 2025. By type: 10 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-31 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2024-04-20 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2024-02-08 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | 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.
Solstice Advanced Materials Us, Inc.: frequently asked questions
Who runs Solstice Advanced Materials Us, Inc.?
Solstice Advanced Materials Us, Inc. (PWSID IL3042127) is a non-transient non-community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Solstice Advanced Materials Us, Inc. serve?
Solstice Advanced Materials Us, Inc. reports serving 470 people through 1 service connection in Massac County, Illinois.
Where does Solstice Advanced Materials Us, 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 Solstice Advanced Materials Us, Inc. have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 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 Solstice Advanced Materials Us, 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, 2 are health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Solstice Advanced Materials Us, Inc.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Solstice Advanced Materials Us, 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 Massac County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Metropolis | Massac | 6,309 | Community | Groundwater |
| Fort Massac PWD | Massac | 6,290 | Community | Purchased groundwater |
| Brookport | Massac | 730 | Community | Groundwater |
| Joppa | Massac | 445 | 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, “Solstice Advanced Materials Us, Inc., PWSID IL3042127, Illinois”, https://aquacensus.com/water-systems/illinois/solstice-advanced-materials-us-inc-il3042127 (data as of October 1, 2026).