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Public water system · WI7440656

Active

Northwood Community Elementary School

At a glance

Northwood Community Elementary School (PWSID WI7440656) is an active non-transient non-community water system in Oneida County, Wisconsin. It reports serving 102 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 8 violations for this system; none is health-based, and the most recent began in January 2014.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

102

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWI7440656
System typeNon-transient non-community water system
Activity statusActive
Population served102
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedHarshaw
StateWisconsin
ZIP—
CountyOneida County

How does Northwood Community Elementary School compare with other water systems in Oneida County?

By EPA's size categories, Northwood Community Elementary School is a very small system (500 people or fewer). Oneida County has 345 active public water systems. Its population served is about 13% below the county average of 117 people per system, and accounts for 0.3% 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 non-transient non-community water system reports serving 430 people, so Northwood Community Elementary School is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wisconsin has 891 active non-transient non-community water systems, 8.1% 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 Northwood Community Elementary School?

EPA lists Northwood Community Elementary School 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. 15 of the 345 active systems in Oneida County (4.3%) are also owned by a local government.

Does Northwood Community Elementary School have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2014. The violations listed here began between July 1993 and January 2014. By type: 7 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 7 as resolved and 1 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.

BeganViolationContaminant or ruleHealth-basedStatus
2014-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2013-07-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2013-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1994-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1994-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

All 8 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.

Northwood Community Elementary School: frequently asked questions

Who runs Northwood Community Elementary School?

Northwood Community Elementary School (PWSID WI7440656) is a non-transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.

How many people does Northwood Community Elementary School serve?

Northwood Community Elementary School reports serving 102 people through 1 service connection in Oneida County, Wisconsin.

Where does Northwood Community Elementary School 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 Northwood Community Elementary School have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2014. 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 Northwood Community Elementary School'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 8 violations for this system; none is health-based, and the most recent began in January 2014. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Northwood Community Elementary School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Northwood Community Elementary School is a non-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 systemCountyPopulation servedTypeSource
Rhinelander Water & WastewaterOneida8,234CommunityGroundwater
Lakeland Sanitary Dist 1Oneida2,381CommunityGroundwater
Minocqua Hazelhurst Elem SchOneida650Non-transient non-communityGroundwater
Three Lakes Sanitary DistrictOneida500CommunityGroundwater
Scouting America Camp Tesomas Program Center and Dining HallOneida500Transient non-communityGroundwater
Wi Dnr Clear Lk Cmpgd 10Oneida450Transient non-communityGroundwater

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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, “Northwood Community Elementary School, PWSID WI7440656, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/northwood-community-elementary-school-wi7440656 (data as of October 1, 2026).