Public water system · MI0040620
ActiveHartwick Pines Estates
At a glance
Hartwick Pines Estates (PWSID MI0040620) is an active community water system in Crawford County, Michigan. It reports serving 75 people through 49 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
75
Service connections
49
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hartwick Pines Estates compare with other water systems in Crawford County?
By EPA's size categories, Hartwick Pines Estates is a very small system (500 people or fewer). Crawford County has 91 active public water systems. Its population served is about 60% below the county average of 188 people per system, and accounts for 0.4% of the 17,125 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 Hartwick Pines Estates is well below 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. 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 Hartwick Pines Estates?
EPA lists Hartwick Pines Estates 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. 55 of the 91 active systems in Crawford County (60%) are also privately owned.
Does Hartwick Pines Estates have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2007. The violations listed here began between February 1995 and July 2007. By type: 4 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 5 as resolved and 2 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 |
|---|---|---|---|---|
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-01-01 | Public notice, recordkeeping or otherVariance/Exemption/Other Compliance · code 08 | Not reported | No | Resolved |
| 2000-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1997-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 7 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.
Hartwick Pines Estates: frequently asked questions
Who runs Hartwick Pines Estates?
Hartwick Pines Estates (PWSID MI0040620) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Hartwick Pines Estates serve?
Hartwick Pines Estates reports serving 75 people through 49 service connections in Crawford County, Michigan.
Where does Hartwick Pines Estates 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 Hartwick Pines Estates have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2007. 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 Hartwick Pines Estates' 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 7 violations for this system; none is health-based, and the most recent began in July 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Hartwick Pines Estates' water quality report?
As a community water system, Hartwick Pines Estates 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 Crawford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Grayling, City of | Crawford | 1,884 | Community | Groundwater |
| Mdot - Grayling Rest Area, R403 | Crawford | 1,000 | Transient non-community | Groundwater |
| North Higgins Lake State Park(West) | Crawford | 900 | Transient non-community | Groundwater |
| North Higgins Lake State Park (East) | Crawford | 900 | Transient non-community | Groundwater |
| Dtmb-Dma Camp Grayling - Cantonment | Crawford | 550 | Non-transient non-community | Groundwater |
| Grayling High School | Crawford | 530 | Non-transient non-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, “Hartwick Pines Estates, PWSID MI0040620, Michigan”, https://aquacensus.com/water-systems/michigan/hartwick-pines-estates-mi0040620 (data as of October 1, 2026).