Public water system · MI0003360

Active

Inkster

At a glance

Inkster (PWSID MI0003360) is an active community water system in Wayne County, Michigan. It reports serving 25,076 people through 8,580 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

25,076

Service connections

8,580

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMI0003360

System typeCommunity water system

Activity statusActive

Population served25,076

Service connections8,580

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyMI state drinking water program

City servedInkster

StateMichigan

ZIP—

CountyWayne County

How does Inkster compare with other water systems in Wayne County?

By EPA's size categories, Inkster is a large system (10,001 to 100,000 people). Wayne County has 55 active public water systems. Its population served is about 23% below the county average of 32,428 people per system, and accounts for 1.4% of the 1,783,512 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Inkster is about 3.7 times that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 262 Michigan systems (2.5%) list purchased surface water as their primary source.

Who owns and regulates Inkster?

EPA lists Inkster as owned by a local government. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 44 of the 55 active systems in Wayne County (80%) are also owned by a local government.

Does Inkster have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between April 2013 and January 2025. By type: 7 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 9 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

Began	Violation	Contaminant or rule	Health-based	Status
2025-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2025-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2021-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2020-07-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2020-02-29	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2020-02-29	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2018-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2013-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2013-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved

All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Inkster: frequently asked questions

Who runs Inkster?

Inkster (PWSID MI0003360) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does Inkster serve?

Inkster reports serving 25,076 people through 8,580 service connections in Wayne County, Michigan.

Where does Inkster get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Inkster have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Inkster's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find Inkster's water quality report?

As a community water system, Inkster must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Wayne County

Water system	County	Population served	Type	Source
Detroit City of	Wayne	633,218	Community	Purchased surface water
Dearborn	Wayne	109,976	Community	Purchased surface water
Canton Township	Wayne	99,627	Community	Surface water
Livonia	Wayne	96,942	Community	Purchased surface water
Westland	Wayne	85,420	Community	Purchased surface water
Taylor	Wayne	63,409	Community	Purchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Inkster, PWSID MI0003360, Michigan”, https://aquacensus.com/water-systems/michigan/inkster-mi0003360 (data as of October 1, 2026).