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AquaCensus

Public water system · IL1615250

Active

Croppers 1st 4th and 5th Addition

At a glance

Croppers 1st 4th and 5th Addition (PWSID IL1615250) is an active community water system in Rock Island County, Illinois. It reports serving 495 people through 198 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in November 2025.

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

Population served

495

Service connections

198

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL1615250
System typeCommunity water system
Activity statusActive
Population served495
Service connections198
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyRock Island County

How does Croppers 1st 4th and 5th Addition compare with other water systems in Rock Island County?

By EPA's size categories, Croppers 1st 4th and 5th Addition is a very small system (500 people or fewer). Rock Island County has 102 active public water systems. Its population served is well below the county average of 1,592 people per system, and accounts for 0.3% of the 162,391 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 Croppers 1st 4th and 5th Addition 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. 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 Croppers 1st 4th and 5th Addition?

EPA lists Croppers 1st 4th and 5th Addition 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. 67 of the 102 active systems in Rock Island County (66%) are also privately owned.

Does Croppers 1st 4th and 5th Addition have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in November 2025. The violations listed here began between June 1977 and November 2025. By type: 8 monitoring and reporting. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (5 of them). EPA lists 7 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-11-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2001-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1998-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1982-08-20Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1981-08-20Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1981-08-20Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1981-08-20Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1977-06-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

All 8 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.

Croppers 1st 4th and 5th Addition: frequently asked questions

Who runs Croppers 1st 4th and 5th Addition?

Croppers 1st 4th and 5th Addition (PWSID IL1615250) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Croppers 1st 4th and 5th Addition serve?

Croppers 1st 4th and 5th Addition reports serving 495 people through 198 service connections in Rock Island County, Illinois.

Where does Croppers 1st 4th and 5th Addition 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 Croppers 1st 4th and 5th Addition have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in November 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 Croppers 1st 4th and 5th Addition'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 8 violations for this system; none is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Croppers 1st 4th and 5th Addition's water quality report?

As a community water system, Croppers 1st 4th and 5th Addition 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 Rock Island County

Water systemCountyPopulation servedTypeSource
MolineRock Island44,500CommunitySurface water
Rock IslandRock Island39,018CommunitySurface water
East MolineRock Island21,374CommunitySurface water
Rock Island Arsenal, Us ArmyRock Island7,800CommunitySurface water
SilvisRock Island7,473CommunityPurchased surface water
Niabi ZooRock Island5,000Transient non-communityGroundwater

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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, “Croppers 1st 4th and 5th Addition, PWSID IL1615250, Illinois”, https://aquacensus.com/water-systems/illinois/croppers-1st-4th-and-5th-addition-il1615250 (data as of October 1, 2026).