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Community Water System · PWS MI0006530

Sylvan Lake

Sylvan Lake, Michigan 48320 - drinking water served from surface water sources to 2,155 people, tracked in EPA SDWIS and UCMR5.

2,155
People served
48
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 48 drinking-water violations at Sylvan Lake - above the Michigan per-system average.

48
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
2,155
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sylvan Lake

Sylvan Lake is a local-owned community water system that delivers drinking water to 2,155 residents in Sylvan Lake, Michigan (Oakland County) through 872 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 48 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 30 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

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

Sylvan Lake's 48 violations sit above 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
2,155
Total Violations
48
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
872
County
Oakland
School/Daycare
No
MCL Violations
0
Monitoring Violations
30
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2000
Total Haloacetic Acids (HAA5) MR 6 2018
TTHM MR 6 2018
Chlorine MR 4 2007
Revised Total Coliform Rule MON 4 2022
Consumer Confidence Rule Other 3 2022
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2009

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 Sylvan Lake.

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 MI0006530 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 Sylvan Lake 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
2022 Revised Total Coliform Rule MON 4 SDWIS / MI0006530 / 8000
2022 Consumer Confidence Rule Other 3 SDWIS / MI0006530 / 7000
2018 Total Haloacetic Acids (HAA5) MR 6 SDWIS / MI0006530 / 2456
2018 TTHM MR 6 SDWIS / MI0006530 / 2950
2009 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / MI0006530 / 0600
2007 Chlorine MR 4 SDWIS / MI0006530 / 0999
2000 Coliform (TCR) MR 8 SDWIS / MI0006530 / 3100

How Sylvan Lake Compares

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

Metric Sylvan Lake Michigan avg Federal benchmark
Total violations 48 23.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 2,155 830 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 Sylvan Lake water safe to drink? ▼
Sylvan Lake (PWS ID: MI0006530) has 48 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,155 people using Surface Water sources.
How many people does Sylvan Lake serve? ▼
Sylvan Lake serves 2,155 people in Sylvan Lake, Michigan. It is a Local-owned system using Surface Water water sources with 872 service connections.
What type of violations does Sylvan Lake have? ▼
Sylvan Lake has 48 total violations: 0 health-based violations (MCL exceedances or treatment failures), 30 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sylvan Lake water? ▼
No PFAS testing data is available for Sylvan Lake under the EPA's UCMR5 monitoring program.
What water source does Sylvan Lake use? ▼
Sylvan Lake uses Surface Water 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.