Public water system · WI7720829
ActiveNwcp 9 Hp - Ball Diamond
At a glance
Nwcp 9 Hp - Ball Diamond (PWSID WI7720829) is an active transient non-community water system in Wood County, Wisconsin. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in October 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Nwcp 9 Hp - Ball Diamond compare with other water systems in Wood County?
By EPA's size categories, Nwcp 9 Hp - Ball Diamond is a very small system (500 people or fewer). Wood County has 148 active public water systems. Its population served is well below the county average of 396 people per system, and accounts for less than 0.1% of the 58,534 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Nwcp 9 Hp - Ball Diamond is about 65% below 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Nwcp 9 Hp - Ball Diamond?
EPA lists Nwcp 9 Hp - Ball Diamond as owned by a local government. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 42 of the 148 active systems in Wood County (28%) are also owned by a local government.
Does Nwcp 9 Hp - Ball Diamond have drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in October 2008. The violations listed here began between April 1995 and October 2008. By type: 3 contaminant level above the legal limit, 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2008-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 6 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.
Nwcp 9 Hp - Ball Diamond: frequently asked questions
Who runs Nwcp 9 Hp - Ball Diamond?
Nwcp 9 Hp - Ball Diamond (PWSID WI7720829) is a transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Nwcp 9 Hp - Ball Diamond serve?
Nwcp 9 Hp - Ball Diamond reports serving 50 people through 1 service connection in Wood County, Wisconsin.
Where does Nwcp 9 Hp - Ball Diamond 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 Nwcp 9 Hp - Ball Diamond have any drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in October 2008. 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 Nwcp 9 Hp - Ball Diamond'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 6 violations for this system; 3 are health-based, and the most recent began in October 2008. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Nwcp 9 Hp - Ball Diamond's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Nwcp 9 Hp - Ball Diamond 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 Wood County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wis Rapids Water Works & Lighting Comm | Wood | 20,000 | Community | Groundwater |
| Marshfield Utilities | Wood | 18,815 | Community | Groundwater |
| Nekoosa Waterworks | Wood | 2,394 | Community | Groundwater |
| Port Edwards Water Utility | Wood | 1,866 | Community | Groundwater |
| Biron Water Utility | Wood | 879 | Community | Groundwater |
| Pittsville Waterworks | Wood | 800 | 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, “Nwcp 9 Hp - Ball Diamond, PWSID WI7720829, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/nwcp-9-hp-ball-diamond-wi7720829 (data as of October 1, 2026).