Public water system · MI0002050

Active

Ecorse

At a glance

Ecorse (PWSID MI0002050) is an active community water system in Wayne County, Michigan. It reports serving 9,305 people through 4,532 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 July 2025.

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

Population served

9,305

Service connections

4,532

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMI0002050

System typeCommunity water system

Activity statusActive

Population served9,305

Service connections4,532

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyMI state drinking water program

City servedEcorse

StateMichigan

ZIP—

CountyWayne County

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

By EPA's size categories, Ecorse is a medium system (3,301 to 10,000 people). Wayne County has 55 active public water systems. Its population served is well below the county average of 32,428 people per system, and accounts for 0.5% 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 Ecorse is about 39% above 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 Ecorse?

EPA lists Ecorse 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 Ecorse have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between October 1999 and July 2025. By type: 4 monitoring and reporting, 4 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Consumer Confidence Rule (4 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
2025-07-02	ReportingNotification, Known or Potential LSL · code 4H	Lead and Copper Rule Revisionscode 5200	No	Resolved
2009-01-02	Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35	Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600	No	Resolved
2008-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2008-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2007-10-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Total trihalomethanes (TTHM)code 2950	No	Resolved
2007-10-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Haloacetic acids (HAA5)code 2456	No	Resolved
2007-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2001-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
1999-10-19	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	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.

Ecorse: frequently asked questions

Who runs Ecorse?

Ecorse (PWSID MI0002050) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does Ecorse serve?

Ecorse reports serving 9,305 people through 4,532 service connections in Wayne County, Michigan.

Where does Ecorse 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 Ecorse have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 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 Ecorse'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 July 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 Ecorse's water quality report?

As a community water system, Ecorse 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

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Ecorse, PWSID MI0002050, Michigan”, https://aquacensus.com/water-systems/michigan/ecorse-mi0002050 (data as of October 1, 2026).