Water Quality Report

Williamsburg, MI (49690): 8 Violations Recorded for Mapped Water Systems

EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: East Bay Charter Township)

PFAS Detected

EPA records for the water systems mapped to 49690 in Williamsburg, MI contain 8 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality Concerns 8 non-health-based violation records in EPA data
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 2 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 8 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 2 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Violations on record (not health-based)
8 violations PFAS detected 1 risk identified
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
5
Water Systems
3,720
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
Zone 3
County Radon Potential · Low
$329K
Median Home Value84% above state median ($179K)

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
84/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
92/100
Indoor environment
100/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (8) HIGH

Your Water System

ZIP code 49690 in Williamsburg, Michigan is mapped to the water system East Bay Charter Township (EPA ID: MI0001935). This system provides water to approximately 3,720 people from groundwater sources.

There are 5 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
East Bay Charter Township MI0001935 3,720 Groundwater
Deepwater Pointe Master Association MI0001765 65 Groundwater
Elk Rapids, Village of MI0002090 1,642 Groundwater
Kalkaska, Village of MI0003560 2,020 Groundwater
Juniper Hills Condominiums MI0003505 50 Groundwater

Other Water Quality Reports in Michigan

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for East Bay Charter Township (MI0001935) on EPA.gov.

4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 49690.

Detected compounds: PFBS.

Highest measured level: 0.0058 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →

Health Risks from Detected Contaminants

Fluoride

Moderate Risk

EPA reference value: 4 mg/L (estándar secundario: 2.0 mg/L)

Tooth & bone damage at high levels

At-risk groups: children aged 8 and younger during tooth development

Treatment options (verify a product is certified to reduce this contaminant): reverse osmosis, activated alumina, distillation · Find a filter →

Learn more about Fluoride in drinking water →

📊 EPA SDWIS + SDWA · View source →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (8) OK

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Williamsburg

Based on local data for ZIP 49690, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Williamsburg has 2 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Gutter Installation & Repair

The median home in 49690 was built around 1982. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Williamsburg is 1982; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 49690 safe to drink?

EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 49690 (primary system: East Bay Charter Township), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 49690's water come from?

The recorded water source for East Bay Charter Township, a system mapped to ZIP code 49690, is Groundwater. This system serves approximately 3,720 people.

How can I get my water tested in Williamsburg?

If East Bay Charter Township supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

What is the radon risk for 49690?

49690 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Grand Traverse County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 49690's water?

Yes, PFAS have been detected in samples from water systems mapped to 49690. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 49690?

FEMA records contain 2 flood insurance claims filed in ZIP code 49690; the recorded rated-zone value (the most frequent one if there are several claims) is C, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Williamsburg, MI (49690): 8 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/49690/
BibTeX
@misc{zipcheckup-report-49690,
  author = {{ZipCheckup}},
  title  = {{Williamsburg, MI (49690): 8 Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/49690/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 49690

ZIP Code City, State Distance Grade Violations
49610 Acme, MI 2.8 mi N/A 0
49629 Elk Rapids, MI 6.6 mi N/A 1
49685 Traverse City, MI 7.0 mi N/A 7
49696 Traverse City, MI 7.0 mi N/A 9
49676 Rapid City, MI 7.5 mi N/A 1
49686 Traverse City, MI 9.5 mi N/A 3
49673 Old Mission, MI 11.0 mi N/A 0
49612 Alden, MI 11.6 mi N/A 0
49666 Mayfield, MI 13.0 mi N/A 0
49684 Traverse City, MI 14.0 mi N/A 9

Contaminants Detected in 49690

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Coverage: 14/17 risk factors Data sources →
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