PlainWater

Community Water System · PWS MI0040242

Sherman Oaks

Farmington Hills, Michigan 48334 - drinking water served from groundwater sources to 915 people, tracked in EPA SDWIS and UCMR5.

915
People served
20
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 20 drinking-water violations at Sherman Oaks, 40% of them health-based - below the Michigan per-system average.

20
Total EPA violations on record
40%
Health-based (MCL / treatment failure)
915
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sherman Oaks

Sherman Oaks is a private-owned community water system that delivers drinking water to 915 residents in Farmington Hills, Michigan (Jackson County) through 366 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 20 total violations for this system , of which 8 (40%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 7 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 violations (MCL, health-based). 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. Statewide, 87 of 318 UCMR5-tested systems have reported PFAS detections (27.4%).

Sherman Oaks's 20 violations sit below the Michigan 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
915
Total Violations
20
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
366
County
Jackson
School/Daycare
No
MCL Violations
8
Monitoring Violations
7
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 2000
E. COLI MR 4 2019
Combined Radium (-226 and -228) MR 3 2017
Consumer Confidence Rule Other 2 2020

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 Sherman Oaks.

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 MI0040242 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 Sherman Oaks 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
2020 Consumer Confidence Rule Other 2 SDWIS / MI0040242 / 7000
2019 E. COLI MR 4 SDWIS / MI0040242 / 3014
2017 Combined Radium (-226 and -228) MR 3 SDWIS / MI0040242 / 4010
2000 Coliform (TCR) MCL 8 SDWIS / MI0040242 / 3100

How Sherman Oaks Compares

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

Metric Sherman Oaks Michigan avg Federal benchmark
Total violations 20 23.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 915 830 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 (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 Sherman Oaks water safe to drink?
Sherman Oaks (PWS ID: MI0040242) has 20 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 915 people using Groundwater sources.
How many people does Sherman Oaks serve?
Sherman Oaks serves 915 people in Farmington Hills, Michigan. It is a Private-owned system using Groundwater water sources with 366 service connections.
What type of violations does Sherman Oaks have?
Sherman Oaks has 20 total violations: 8 health-based violations (MCL exceedances or treatment failures), 7 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sherman Oaks water?
No PFAS testing data is available for Sherman Oaks under the EPA's UCMR5 monitoring program.
What water source does Sherman Oaks use?
Sherman Oaks 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.
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.