Community Water System · PWS IL0635250

Ridgecrest North Subdivision

Morris, Illinois 60450-8277 - drinking water served from groundwater sources to 60 people, tracked in EPA SDWIS and UCMR5.

Compiled by PlainWater Editorial, Drinking Water Quality Editorial Team · May 15, 2026

60
People served: 121
EPA violations: 8
Health-based: Untested
UCMR5 result

The verdict

EPA records 121 drinking-water violations at Ridgecrest North Subdivision, 7% of them health-based - above the Illinois per-system average.

121
Total EPA violations on record: 7%
Health-based (MCL / treatment failure): 60
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ridgecrest North Subdivision

Ridgecrest North Subdivision is a private-owned community water system that delivers drinking water to 60 residents in Morris, Illinois (Grundy County) through 28 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 121 total violations for this system , of which 8 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 89 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Styrene, recorded in 11 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, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Ridgecrest North Subdivision's 121 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

Total Violations

121

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Private
Connections: 28
County: Grundy
School/Daycare: No
MCL Violations: 8
Monitoring Violations: 89
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Styrene	MR	11	2022
Ethylbenzene	MR	9	2022
Toluene	MR	9	2022
Coliform (TCR)	MCL	8	2001
Coliform (TCR)	MR	8	2002
Consumer Confidence Rule	Other	5	2024
LEAD AND COPPER RULE REVISIONS	RPT	4	2025
1,2,4-Trichlorobenzene	MR	3	2001
cis-1,2-Dichloroethylene	MR	3	2001
o-Dichlorobenzene	MR	3	2001
1,1-Dichloroethylene	MR	3	2001
trans-1,2-Dichloroethylene	MR	3	2001
1,2-Dichloroethane	MR	3	2001
1,1,1-Trichloroethane	MR	3	2001
Trichloroethylene	MR	3	2001
1,1,2-Trichloroethane	MR	3	2001
Xylenes, Total	MR	3	2001
Carbon tetrachloride	MR	3	2001
CHLOROBENZENE	MR	3	2001
p-Dichlorobenzene	MR	3	2001
DICHLOROMETHANE	MR	3	2001
1,2-Dichloropropane	MR	3	2001
Tetrachloroethylene	MR	3	2001
Benzene	MR	3	2001
Public Notice	Other	2	2023
Gross Alpha, Excl. Radon and U	MR	1	1977

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 Ridgecrest North Subdivision.

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 IL0635250 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 Ridgecrest North Subdivision 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
2025	LEAD AND COPPER RULE REVISIONS	RPT	4	SDWIS / IL0635250 / 5200
2024	Consumer Confidence Rule	Other	5	SDWIS / IL0635250 / 7000
2023	Public Notice	Other	2	SDWIS / IL0635250 / 7500
2022	Styrene	MR	11	SDWIS / IL0635250 / 2996
2022	Ethylbenzene	MR	9	SDWIS / IL0635250 / 2992
2022	Toluene	MR	9	SDWIS / IL0635250 / 2991
2002	Coliform (TCR)	MR	8	SDWIS / IL0635250 / 3100
2001	Coliform (TCR)	MCL	8	SDWIS / IL0635250 / 3100
2001	1,2,4-Trichlorobenzene	MR	3	SDWIS / IL0635250 / 2378
2001	cis-1,2-Dichloroethylene	MR	3	SDWIS / IL0635250 / 2380
2001	o-Dichlorobenzene	MR	3	SDWIS / IL0635250 / 2968
2001	1,1-Dichloroethylene	MR	3	SDWIS / IL0635250 / 2977
2001	trans-1,2-Dichloroethylene	MR	3	SDWIS / IL0635250 / 2979
2001	1,2-Dichloroethane	MR	3	SDWIS / IL0635250 / 2980
2001	1,1,1-Trichloroethane	MR	3	SDWIS / IL0635250 / 2981

How Ridgecrest North Subdivision Compares

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

Metric	Ridgecrest North Subdivision	Illinois avg	Federal benchmark
Total violations	121	69.4	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	8	10.3	Indicates a contaminant exceeded a federal MCL
PFAS detection	None	40.9%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	60	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 Ridgecrest North Subdivision water safe to drink? ▼

Ridgecrest North Subdivision (PWS ID: IL0635250) has 121 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 60 people using Groundwater sources.

How many people does Ridgecrest North Subdivision serve? ▼

Ridgecrest North Subdivision serves 60 people in Morris, Illinois. It is a Private-owned system using Groundwater water sources with 28 service connections.

What type of violations does Ridgecrest North Subdivision have? ▼

Ridgecrest North Subdivision has 121 total violations: 8 health-based violations (MCL exceedances or treatment failures), 89 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Ridgecrest North Subdivision water? ▼

No PFAS testing data is available for Ridgecrest North Subdivision under the EPA's UCMR5 monitoring program.

What water source does Ridgecrest North Subdivision use? ▼

Ridgecrest North Subdivision 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.