Public water system · IL1977070
ActiveLockport Heights Sd
At a glance
Lockport Heights Sd (PWSID IL1977070) is an active community water system in Will County, Illinois. It reports serving 984 people through 422 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
984
Service connections
422
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Lockport Heights Sd compare with other water systems in Will County?
By EPA's size categories, Lockport Heights Sd is a small system (501 to 3,300 people). Will County has 236 active public water systems. Its population served is about 62% below the county average of 2,607 people per system, and accounts for 0.2% of the 615,219 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Lockport Heights Sd is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 348 Illinois systems (9%) list purchased groundwater as their primary source.
Who owns and regulates Lockport Heights Sd?
EPA lists Lockport Heights Sd as owned by a local government. 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. 34 of the 236 active systems in Will County (14%) are also owned by a local government.
Does Lockport Heights Sd have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2020. The violations listed here began between June 1977 and January 2020. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2000-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 4 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.
Lockport Heights Sd: frequently asked questions
Who runs Lockport Heights Sd?
Lockport Heights Sd (PWSID IL1977070) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Lockport Heights Sd serve?
Lockport Heights Sd reports serving 984 people through 422 service connections in Will County, Illinois.
Where does Lockport Heights Sd get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Lockport Heights Sd have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2020. 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 Lockport Heights Sd'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 4 violations for this system; none is health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Lockport Heights Sd's water quality report?
As a community water system, Lockport Heights Sd must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Will County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Joliet | Will | 160,000 | Community | Groundwater |
| Il American-West Suburban | Will | 73,978 | Community | Purchased surface water |
| Romeoville | Will | 50,458 | Community | Groundwater |
| Plainfield | Will | 50,000 | Community | Purchased surface water |
| New Lenox | Will | 27,690 | Community | Purchased surface water |
| Il American-Homer Township | Will | 24,543 | Community | Purchased surface water |
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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, “Lockport Heights Sd, PWSID IL1977070, Illinois”, https://aquacensus.com/water-systems/illinois/lockport-heights-sd-il1977070 (data as of October 1, 2026).