Skip to content
AquaCensus

Public water system · IL3164624

Active

The Forge: Lemont Quarries

At a glance

The Forge: Lemont Quarries (PWSID IL3164624) is an active non-transient non-community water system in Cook County, Illinois. It reports serving 305 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

305

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDIL3164624
System typeNon-transient non-community water system
Activity statusActive
Population served305
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyCook County

How does The Forge: Lemont Quarries compare with other water systems in Cook County?

By EPA's size categories, The Forge: Lemont Quarries is a very small system (500 people or fewer). Cook County has 251 active public water systems. Its population served is well below the county average of 20,993 people per system, and accounts for less than 0.1% of the 5,269,212 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 The Forge: Lemont Quarries is about 29% 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 The Forge: Lemont Quarries?

EPA lists The Forge: Lemont Quarries 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. 108 of the 251 active systems in Cook County (43%) are also privately owned.

Does The Forge: Lemont Quarries have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2024. The violations listed here began between May 2023 and August 2024. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Public Notice and Lead and Copper Rule. EPA lists 2 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-08-15Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-05-09Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved

All 2 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.

The Forge: Lemont Quarries: frequently asked questions

Who runs The Forge: Lemont Quarries?

The Forge: Lemont Quarries (PWSID IL3164624) is a non-transient non-community water system privately owned. It is regulated by the IL state drinking water program.

How many people does The Forge: Lemont Quarries serve?

The Forge: Lemont Quarries reports serving 305 people through 2 service connections in Cook County, Illinois.

Where does The Forge: Lemont Quarries 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 The Forge: Lemont Quarries have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2024. 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 The Forge: Lemont Quarries' 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 2 violations for this system; none is health-based, and the most recent began in August 2024. For current results, consult EPA ECHO, or the IL state drinking water program.

Where can I find The Forge: Lemont Quarries' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. The Forge: Lemont Quarries 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 Cook County

Water systemCountyPopulation servedTypeSource
ChicagoCook2,721,308CommunitySurface water
CiceroCook83,000CommunityPurchased surface water
SchaumburgCook75,750CommunityPurchased surface water
EvanstonCook74,486CommunitySurface water
Arlington HeightsCook73,320CommunityPurchased surface water
PalatineCook70,875CommunityPurchased surface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “The Forge: Lemont Quarries, PWSID IL3164624, Illinois”, https://aquacensus.com/water-systems/illinois/the-forge-lemont-quarries-il3164624 (data as of October 1, 2026).