Public water system · MI0040079
ActiveNp Creek Valley South
At a glance
Np Creek Valley South (PWSID MI0040079) is an active community water system in Calhoun County, Michigan. It reports serving 245 people through 98 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in June 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
245
Service connections
98
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Np Creek Valley South compare with other water systems in Calhoun County?
By EPA's size categories, Np Creek Valley South is a very small system (500 people or fewer). Calhoun County has 141 active public water systems. Its population served is about 63% below the county average of 666 people per system, and accounts for 0.3% of the 93,883 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 Np Creek Valley South 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 Np Creek Valley South?
EPA lists Np Creek Valley South 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. 128 of the 141 active systems in Calhoun County (91%) are also privately owned.
Does Np Creek Valley South have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in June 2010. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2010-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
Np Creek Valley South: frequently asked questions
Who runs Np Creek Valley South?
Np Creek Valley South (PWSID MI0040079) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Np Creek Valley South serve?
Np Creek Valley South reports serving 245 people through 98 service connections in Calhoun County, Michigan.
Where does Np Creek Valley South 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 Np Creek Valley South have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in June 2010. 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 Np Creek Valley South'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 one violation for this system; it is health-based, and the most recent began in June 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Np Creek Valley South's water quality report?
As a community water system, Np Creek Valley South 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 Calhoun County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Battle Creek - Verona System | Calhoun | 43,975 | Community | Groundwater |
| Albion | Calhoun | 9,144 | Community | Groundwater |
| Marshall | Calhoun | 7,088 | Community | Groundwater |
| Pennfield Township | Calhoun | 3,916 | Community | Groundwater |
| Springfield | Calhoun | 3,833 | Community | Purchased groundwater |
| Emmett Township | Calhoun | 2,550 | Community | Purchased 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, “Np Creek Valley South, PWSID MI0040079, Michigan”, https://aquacensus.com/water-systems/michigan/np-creek-valley-south-mi0040079 (data as of October 1, 2026).