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Transient Non-Community Water System · PWS MI2023628

Grand Traverse Plastics #1

Williamsburg, Michigan 49690 — drinking water served from groundwater sources to 40 people, tracked in EPA SDWIS and UCMR5.

40
People served
242
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 242 drinking-water violations at Grand Traverse Plastics #1, 1% of them health-based — above the Michigan per-system average.

242
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
40
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Grand Traverse Plastics #1

Grand Traverse Plastics #1 is a private-owned transient non-community water system that delivers drinking water to 40 residents in Williamsburg, Michigan (Grand Traverse County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 242 total violations for this system , of which 3 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 239 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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. Grand Traverse Plastics #1's 242 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
40
Total Violations
242
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Grand Traverse
School/Daycare
No
MCL Violations
3
Monitoring Violations
239
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2008
Barium MR 6 2005
Chromium MR 6 2005
Antimony, Total MR 6 2005
Beryllium, Total MR 6 2005
Thallium, Total MR 6 2005
Mercury MR 6 2005
Nitrate MR 6 2007
Cadmium MR 6 2005
Revised Total Coliform Rule MON 6 2019
Selenium MR 6 2005
BHC-GAMMA MR 4 1999
Methoxychlor MR 4 1999
Toxaphene MR 4 1999
Simazine MR 4 1999
Picloram MR 4 1999
Hexachlorocyclopentadiene MR 4 1999
Atrazine MR 4 1999
LASSO MR 4 1999
Pentachlorophenol MR 4 1999
Total Polychlorinated Biphenyls (PCB) MR 4 1999
1,2,4-Trichlorobenzene MR 4 1999
Xylenes, Total MR 4 1999
1,1-Dichloroethylene MR 4 1999
1,2-Dichloroethane MR 4 1999
1,1,1-Trichloroethane MR 4 1999
1,2-Dichloropropane MR 4 1999
Trichloroethylene MR 4 1999
CHLOROBENZENE MR 4 1999
Toluene MR 4 1999

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 Grand Traverse Plastics #1.

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 MI2023628 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 Grand Traverse Plastics #1 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
2019 Revised Total Coliform Rule MON 6 SDWIS / MI2023628 / 8000
2008 Coliform (TCR) MR 12 SDWIS / MI2023628 / 3100
2007 Nitrate MR 6 SDWIS / MI2023628 / 1040
2005 Barium MR 6 SDWIS / MI2023628 / 1010
2005 Chromium MR 6 SDWIS / MI2023628 / 1020
2005 Antimony, Total MR 6 SDWIS / MI2023628 / 1074
2005 Beryllium, Total MR 6 SDWIS / MI2023628 / 1075
2005 Thallium, Total MR 6 SDWIS / MI2023628 / 1085
2005 Mercury MR 6 SDWIS / MI2023628 / 1035
2005 Cadmium MR 6 SDWIS / MI2023628 / 1015
2005 Selenium MR 6 SDWIS / MI2023628 / 1045
2005 Lead and Copper Rule MR 4 SDWIS / MI2023628 / 5000
1999 BHC-GAMMA MR 4 SDWIS / MI2023628 / 2010
1999 Methoxychlor MR 4 SDWIS / MI2023628 / 2015
1999 Toxaphene MR 4 SDWIS / MI2023628 / 2020

How Grand Traverse Plastics #1 Compares

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

Metric Grand Traverse Plastics #1 Michigan avg Federal benchmark
Total violations 242 23.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 40 830 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 Grand Traverse Plastics #1 water safe to drink?
Grand Traverse Plastics #1 (PWS ID: MI2023628) has 242 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does Grand Traverse Plastics #1 serve?
Grand Traverse Plastics #1 serves 40 people in Williamsburg, Michigan. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Grand Traverse Plastics #1 have?
Grand Traverse Plastics #1 has 242 total violations: 3 health-based violations (MCL exceedances or treatment failures), 239 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Grand Traverse Plastics #1 water?
No PFAS testing data is available for Grand Traverse Plastics #1 under the EPA's UCMR5 monitoring program.
What water source does Grand Traverse Plastics #1 use?
Grand Traverse Plastics #1 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