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Transient Non-Community Water System · PWS MI2227263

Oakland County S.C. - Raceway

Clarkston, Michigan 48346 — drinking water served from groundwater sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
42
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 42 drinking-water violations at Oakland County S.C. - Raceway, 14% of them health-based — above the Michigan per-system average.

42
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Oakland County S.C. - Raceway

Oakland County S.C. - Raceway is a private-owned transient non-community water system that delivers drinking water to 50 residents in Clarkston, Michigan (Oakland County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 42 total violations for this system , of which 6 (14%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 36 monitoring and reporting violations are on file. The most recent violation on record dates to 2001.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 26 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. Oakland County S.C. - Raceway's 42 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
50
Total Violations
42
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Oakland
School/Daycare
No
MCL Violations
6
Monitoring Violations
36
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 26 1999
Nitrate MR 10 2000
Coliform (TCR) MCL 6 2001

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 Oakland County S.C. - Raceway.

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 MI2227263 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 Oakland County S.C. - Raceway 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
2001 Coliform (TCR) MCL 6 SDWIS / MI2227263 / 3100
2000 Nitrate MR 10 SDWIS / MI2227263 / 1040
1999 Coliform (TCR) MR 26 SDWIS / MI2227263 / 3100

How Oakland County S.C. - Raceway Compares

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

Metric Oakland County S.C. - Raceway Michigan avg Federal benchmark
Total violations 42 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 50 830 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 Oakland County S.C. - Raceway water safe to drink?
Oakland County S.C. - Raceway (PWS ID: MI2227263) has 42 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does Oakland County S.C. - Raceway serve?
Oakland County S.C. - Raceway serves 50 people in Clarkston, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Oakland County S.C. - Raceway have?
Oakland County S.C. - Raceway has 42 total violations: 6 health-based violations (MCL exceedances or treatment failures), 36 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Oakland County S.C. - Raceway water?
No PFAS testing data is available for Oakland County S.C. - Raceway under the EPA's UCMR5 monitoring program.
What water source does Oakland County S.C. - Raceway use?
Oakland County S.C. - Raceway uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial