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Community Water System · PWS IL1975376

Garden Street Improvement Association

Joliet, Illinois 60435 - drinking water served from groundwater sources to 54 people, tracked in EPA SDWIS and UCMR5.

54
People served
344
EPA violations
43
Health-based
Untested
UCMR5 result

The verdict

EPA records 344 drinking-water violations at Garden Street Improvement Association, 13% of them health-based - above the Illinois per-system average.

344
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
54
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Garden Street Improvement Association

Garden Street Improvement Association is a private-owned community water system that delivers drinking water to 54 residents in Joliet, Illinois (Will County) through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 344 total violations for this system , of which 43 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 255 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 148 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Illinois, EPA tracks 5,117 public water systems serving 12,576,876 people, with 355,322 cumulative violations and 52,932 health-based violations on record. About 81% of systems in the state carry at least one violation, and state-wide the average per system is 69.4 violations. Statewide, 123 of 487 UCMR5-tested systems have reported PFAS detections (25.3%).

Garden Street Improvement Association's 344 violations sit above the Illinois average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
54
Total Violations
344
Health-Based Violations
43
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
19
County
Will
School/Daycare
No
MCL Violations
43
Monitoring Violations
255
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 148 1998
Coliform (TCR) MCL 43 1997
Lead and Copper Rule MR 10 2023
Chlorine MR 4 2018
Public Notice Other 4 2024
BHC-GAMMA MR 3 1997
Methoxychlor MR 3 1997
Toxaphene MR 3 1997
Atrazine MR 3 1997
Heptachlor MR 3 1997
LASSO MR 3 1997
2,4-D MR 3 1997
ETHYLENE DIBROMIDE MR 3 1997
Endrin MR 3 1997
Endothall MR 3 1997
Di(2-ethylhexyl) adipate MR 3 1997
Picloram MR 3 1997
Hexachlorocyclopentadiene MR 3 1997
Aldicarb sulfone MR 3 1997
HEXACHLOROBENZENE MR 3 1997
OXAMYL MR 3 1997
Di(2-ethylhexyl) phthalate MR 3 1997
Heptachlor epoxide MR 3 1997
Carbofuran MR 3 1997
Total Polychlorinated Biphenyls (PCB) MR 3 1997
1,2-DIBROMO-3-CHLOROPROPANE MR 3 1997
Benzo(a)pyrene MR 3 1997
Simazine MR 3 1997
Aldicarb MR 3 1997
Chlordane MR 3 1997

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Garden Street Improvement Association.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IL1975376 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Illinois Drinking Water Authority

Illinois EPA, Bureau of Water is the primacy agency that licenses and inspects Garden Street Improvement Association under EPA-delegated authority.

Open IL regulator portal

Source: Illinois EPA, Bureau of Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Public Notice Other 4 SDWIS / IL1975376 / 7500
2023 Lead and Copper Rule MR 10 SDWIS / IL1975376 / 5000
2018 Chlorine MR 4 SDWIS / IL1975376 / 0999
1998 Coliform (TCR) MR 148 SDWIS / IL1975376 / 3100
1997 Coliform (TCR) MCL 43 SDWIS / IL1975376 / 3100
1997 BHC-GAMMA MR 3 SDWIS / IL1975376 / 2010
1997 Methoxychlor MR 3 SDWIS / IL1975376 / 2015
1997 Toxaphene MR 3 SDWIS / IL1975376 / 2020
1997 Atrazine MR 3 SDWIS / IL1975376 / 2050
1997 Heptachlor MR 3 SDWIS / IL1975376 / 2065
1997 LASSO MR 3 SDWIS / IL1975376 / 2051
1997 2,4-D MR 3 SDWIS / IL1975376 / 2105
1997 ETHYLENE DIBROMIDE MR 3 SDWIS / IL1975376 / 2946
1997 Endrin MR 3 SDWIS / IL1975376 / 2005
1997 Endothall MR 3 SDWIS / IL1975376 / 2033

How Garden Street Improvement Association Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Garden Street Improvement Association Illinois avg Federal benchmark
Total violations 344 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 43 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 25.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 54 2,458 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,117 regulated public water systems in Illinois.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Garden Street Improvement Association water safe to drink? ▼
Garden Street Improvement Association (PWS ID: IL1975376) has 344 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 54 people using Groundwater sources.
How many people does Garden Street Improvement Association serve? ▼
Garden Street Improvement Association serves 54 people in Joliet, Illinois. It is a Private-owned system using Groundwater water sources with 19 service connections.
What type of violations does Garden Street Improvement Association have? ▼
Garden Street Improvement Association has 344 total violations: 43 health-based violations (MCL exceedances or treatment failures), 255 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Garden Street Improvement Association water? ▼
No PFAS testing data is available for Garden Street Improvement Association under the EPA's UCMR5 monitoring program.
What water source does Garden Street Improvement Association use? ▼
Garden Street Improvement Association uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.