Public water system · WI8580984
ActiveHayward Airport
At a glance
Hayward Airport (PWSID WI8580984) is an active transient non-community water system in Sawyer County, Wisconsin. It reports serving 25 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 one violation for this system; it is not health-based, and the most recent began in September 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hayward Airport compare with other water systems in Sawyer County?
By EPA's size categories, Hayward Airport is a very small system (500 people or fewer). Sawyer County has 191 active public water systems. Its population served is about 64% below the county average of 70 people per system, and accounts for 0.2% of the 13,417 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 Hayward Airport is well 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 Hayward Airport?
EPA lists Hayward Airport 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. 8 of the 191 active systems in Sawyer County (4.2%) are also owned by a local government.
Does Hayward Airport have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2018. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Public Notice. 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 |
|---|---|---|---|---|
| 2018-09-13 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | 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.
Hayward Airport: frequently asked questions
Who runs Hayward Airport?
Hayward Airport (PWSID WI8580984) 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 Hayward Airport serve?
Hayward Airport reports serving 25 people through 1 service connection in Sawyer County, Wisconsin.
Where does Hayward Airport 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 Hayward Airport have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2018. 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 Hayward Airport'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 not health-based, and the most recent began in September 2018. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Hayward Airport's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hayward Airport 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 Sawyer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hayward Water Utility | Sawyer | 2,552 | Community | Groundwater |
| Winter Waterworks | Sawyer | 344 | Community | Groundwater |
| Grand Pines Motel | Sawyer | 300 | Transient non-community | Groundwater |
| Nelson Lake Lodge Office | Sawyer | 300 | Transient non-community | Groundwater |
| Big Bear Lodge | Sawyer | 250 | Transient non-community | Groundwater |
| Dock the | Sawyer | 250 | 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, “Hayward Airport, PWSID WI8580984, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/hayward-airport-wi8580984 (data as of October 1, 2026).