Public water system · MI2003433
ActiveEl Dorado Golf Course
At a glance
El Dorado Golf Course (PWSID MI2003433) is an active transient non-community water system in Ingham County, Michigan. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does El Dorado Golf Course compare with other water systems in Ingham County?
By EPA's size categories, El Dorado Golf Course is a very small system (500 people or fewer). Ingham County has 108 active public water systems. Its population served is well below the county average of 2,577 people per system, and accounts for less than 0.1% of the 278,352 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so El Dorado Golf Course is about 39% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Michigan has 7,865 active transient non-community water systems, 74% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates El Dorado Golf Course?
EPA lists El Dorado Golf Course as privately owned. 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. 94 of the 108 active systems in Ingham County (87%) are also privately owned.
Does El Dorado Golf Course have drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in October 2022. The violations listed here began between January 1996 and October 2022. By type: 4 monitoring and reporting, 3 contaminant level above the legal limit and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 8 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2021-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
El Dorado Golf Course: frequently asked questions
Who runs El Dorado Golf Course?
El Dorado Golf Course (PWSID MI2003433) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does El Dorado Golf Course serve?
El Dorado Golf Course reports serving 200 people through 1 service connection in Ingham County, Michigan.
Where does El Dorado Golf Course get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does El Dorado Golf Course have any drinking water violations?
EPA's records list 9 violations for this system; 3 are health-based, and the most recent began in October 2022. 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 El Dorado Golf Course'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; 3 are health-based, and the most recent began in October 2022. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find El Dorado Golf Course's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. El Dorado Golf Course is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Ingham County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lansing Board of Water & Light | Ingham | 166,000 | Community | Groundwater |
| East Lansing, City of | Ingham | 33,000 | Community | Purchased groundwater |
| Meridian Township | Ingham | 25,600 | Community | Purchased groundwater |
| Michigan State University | Ingham | 12,793 | Community | Groundwater |
| Mason, City of | Ingham | 8,252 | Community | Groundwater |
| Lansing Township | Ingham | 5,500 | Community | Groundwater |
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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, “El Dorado Golf Course, PWSID MI2003433, Michigan”, https://aquacensus.com/water-systems/michigan/el-dorado-golf-course-mi2003433 (data as of October 1, 2026).