Public water system · WI7440469
ActiveWi Dot Wayside 10 Monico
At a glance
Wi Dot Wayside 10 Monico (PWSID WI7440469) is an active transient non-community water system in Oneida County, Wisconsin. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in May 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Dot Wayside 10 Monico compare with other water systems in Oneida County?
By EPA's size categories, Wi Dot Wayside 10 Monico is a very small system (500 people or fewer). Oneida County has 345 active public water systems. Its population served is about 15% below the county average of 117 people per system, and accounts for 0.2% of the 40,498 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 Wi Dot Wayside 10 Monico is about 31% 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 Wi Dot Wayside 10 Monico?
EPA lists Wi Dot Wayside 10 Monico as owned by a state 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. 27 of the 345 active systems in Oneida County (7.8%) are also owned by a state government.
Does Wi Dot Wayside 10 Monico have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in May 2017. The violations listed here began between June 2002 and May 2017. By type: 4 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is E. coli (2 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 |
|---|---|---|---|---|
| 2017-05-30 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2017-05-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-09-21 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2002-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-06-25 | 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.
Wi Dot Wayside 10 Monico: frequently asked questions
Who runs Wi Dot Wayside 10 Monico?
Wi Dot Wayside 10 Monico (PWSID WI7440469) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.
How many people does Wi Dot Wayside 10 Monico serve?
Wi Dot Wayside 10 Monico reports serving 100 people through 1 service connection in Oneida County, Wisconsin.
Where does Wi Dot Wayside 10 Monico 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 Wi Dot Wayside 10 Monico have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in May 2017. 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 Wi Dot Wayside 10 Monico'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; 1 is health-based, and the most recent began in May 2017. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Dot Wayside 10 Monico's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dot Wayside 10 Monico 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 Oneida County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rhinelander Water & Wastewater | Oneida | 8,234 | Community | Groundwater |
| Lakeland Sanitary Dist 1 | Oneida | 2,381 | Community | Groundwater |
| Minocqua Hazelhurst Elem Sch | Oneida | 650 | Non-transient non-community | Groundwater |
| Three Lakes Sanitary District | Oneida | 500 | Community | Groundwater |
| Scouting America Camp Tesomas Program Center and Dining Hall | Oneida | 500 | Transient non-community | Groundwater |
| Wi Dnr Clear Lk Cmpgd 10 | Oneida | 450 | 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, “Wi Dot Wayside 10 Monico, PWSID WI7440469, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dot-wayside-10-monico-wi7440469 (data as of October 1, 2026).