Public water system · IL3104455
ActiveSterling Steel
At a glance
Sterling Steel (PWSID IL3104455) is an active non-transient non-community water system in Whiteside County, Illinois. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Sterling Steel compare with other water systems in Whiteside County?
By EPA's size categories, Sterling Steel is a very small system (500 people or fewer). Whiteside County has 59 active public water systems. Its population served is about 28% below the county average of 696 people per system, and accounts for 1.2% of the 41,082 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 Sterling Steel is about 16% above 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 Sterling Steel?
EPA lists Sterling Steel 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. 44 of the 59 active systems in Whiteside County (75%) are also privately owned.
Does Sterling Steel have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2008. The violations listed here began between July 2006 and January 2008. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2007-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Sterling Steel: frequently asked questions
Who runs Sterling Steel?
Sterling Steel (PWSID IL3104455) is a non-transient non-community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Sterling Steel serve?
Sterling Steel reports serving 500 people through 1 service connection in Whiteside County, Illinois.
Where does Sterling Steel 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 Sterling Steel have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2008. 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 Sterling Steel'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. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2008. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Sterling Steel's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sterling Steel 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 Whiteside County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Sterling | Whiteside | 14,782 | Community | Groundwater |
| Rock Falls | Whiteside | 8,620 | Community | Groundwater |
| Morrison | Whiteside | 4,188 | Community | Groundwater |
| Fulton | Whiteside | 3,346 | Community | Groundwater |
| Prophetstown | Whiteside | 2,100 | Community | Groundwater |
| Erie | Whiteside | 1,479 | 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, “Sterling Steel, PWSID IL3104455, Illinois”, https://aquacensus.com/water-systems/illinois/sterling-steel-il3104455 (data as of October 1, 2026).