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MICHIGAN CAT - SOUTH

PWS ID: MI2242863 · NOVI, Michigan 48375

MICHIGAN CAT - SOUTH serves 100 people in NOVI, Michigan using Groundwater water sources. It has 178 recorded EPA violations, including 7 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MICHIGAN CAT - SOUTH

MICHIGAN CAT - SOUTH is a private-owned non-transient non-community water system that delivers drinking water to 100 residents in NOVI, Michigan (Oakland County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 7 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 171 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 10 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 Michigan, EPA tracks 10,959 public water systems serving 9,098,093 people, with 255,201 cumulative violations and 31,467 health-based violations on record. About 86% of systems in the state carry at least one violation, and state-wide the average per system is 23.3 violations. MICHIGAN CAT - SOUTH's 178 violations sit above the Michigan average. Statewide, 87 of 318 UCMR5-tested systems have reported PFAS detections (27.4%). 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
100
Total Violations
178
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Oakland
School/Daycare
No
MCL Violations
7
Monitoring Violations
171
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 10 2017
Coliform (TCR) MR 6 1998
Xylenes, Total MR 4 2006
DICHLOROMETHANE MR 4 2006
o-Dichlorobenzene MR 4 2006
p-Dichlorobenzene MR 4 2006
Vinyl chloride MR 4 2006
1,1-Dichloroethylene MR 4 2006
1,2-Dichloroethane MR 4 2006
1,1,1-Trichloroethane MR 4 2006
1,2-Dichloropropane MR 4 2006
Trichloroethylene MR 4 2006
1,1,2-Trichloroethane MR 4 2006
Tetrachloroethylene MR 4 2006
CHLOROBENZENE MR 4 2006
Benzene MR 4 2006
Ethylbenzene MR 4 2006
Styrene MR 4 2006
trans-1,2-Dichloroethylene MR 4 2006
cis-1,2-Dichloroethylene MR 4 2006
Toluene MR 4 2006
Coliform (TCR) MCL 4 2005
Carbon tetrachloride MR 4 2006
1,2,4-Trichlorobenzene MR 4 2006
Arsenic MCL 3 2015
Barium MR 3 1996
Cadmium MR 3 1996
Mercury MR 3 1996
Antimony, Total MR 3 1996
Thallium, Total MR 3 1996

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 MICHIGAN CAT - SOUTH.

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 MI2242863 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Michigan Drinking Water Authority

Michigan EGLE — Drinking Water and Environmental Health Division is the primacy agency that licenses and inspects MICHIGAN CAT - SOUTH under EPA-delegated authority.

Open MI regulator portal

Source: Michigan EGLE — Drinking Water and Environmental Health Division

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
2017 Lead and Copper Rule MR 10 SDWIS / MI2242863 / 5000
2015 Arsenic MCL 3 SDWIS / MI2242863 / 1005
2006 Xylenes, Total MR 4 SDWIS / MI2242863 / 2955
2006 DICHLOROMETHANE MR 4 SDWIS / MI2242863 / 2964
2006 o-Dichlorobenzene MR 4 SDWIS / MI2242863 / 2968
2006 p-Dichlorobenzene MR 4 SDWIS / MI2242863 / 2969
2006 Vinyl chloride MR 4 SDWIS / MI2242863 / 2976
2006 1,1-Dichloroethylene MR 4 SDWIS / MI2242863 / 2977
2006 1,2-Dichloroethane MR 4 SDWIS / MI2242863 / 2980
2006 1,1,1-Trichloroethane MR 4 SDWIS / MI2242863 / 2981
2006 1,2-Dichloropropane MR 4 SDWIS / MI2242863 / 2983
2006 Trichloroethylene MR 4 SDWIS / MI2242863 / 2984
2006 1,1,2-Trichloroethane MR 4 SDWIS / MI2242863 / 2985
2006 Tetrachloroethylene MR 4 SDWIS / MI2242863 / 2987
2006 CHLOROBENZENE MR 4 SDWIS / MI2242863 / 2989

How MICHIGAN CAT - SOUTH Compares

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

Metric MICHIGAN CAT - SOUTH Michigan avg Federal benchmark
Total violations 178 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 7 2.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 27.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 100 830 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,959 regulated public water systems in Michigan.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is MICHIGAN CAT - SOUTH water safe to drink? ▼
MICHIGAN CAT - SOUTH (PWS ID: MI2242863) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does MICHIGAN CAT - SOUTH serve? ▼
MICHIGAN CAT - SOUTH serves 100 people in NOVI, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does MICHIGAN CAT - SOUTH have? ▼
MICHIGAN CAT - SOUTH has 178 total violations: 7 health-based violations (MCL exceedances or treatment failures), 171 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MICHIGAN CAT - SOUTH water? ▼
No PFAS testing data is available for MICHIGAN CAT - SOUTH under the EPA's UCMR5 monitoring program.
What water source does MICHIGAN CAT - SOUTH use? ▼
MICHIGAN CAT - SOUTH uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

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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.

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