Public water system · WI4200645
ActiveLaconia High School and Middle School
At a glance
Laconia High School and Middle School (PWSID WI4200645) is an active non-transient non-community water system in Fond du Lac County, Wisconsin. It reports serving 620 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 July 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
620
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Laconia High School and Middle School compare with other water systems in Fond du Lac County?
By EPA's size categories, Laconia High School and Middle School is a small system (501 to 3,300 people). Fond du Lac County has 207 active public water systems. Its population served is about 47% above the county average of 421 people per system, and accounts for 0.7% of the 87,145 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 Laconia High School and Middle School is about 44% above 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 Laconia High School and Middle School?
EPA lists Laconia High School and Middle 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. 26 of the 207 active systems in Fond du Lac County (13%) are also owned by a local government.
Does Laconia High School and Middle School have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 2009. The violations listed here began between July 1993 and July 2009. By type: 7 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Arsenic (5 of them). EPA lists 6 as resolved and 2 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2009-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 2008-04-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 2005-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
Laconia High School and Middle School: frequently asked questions
Who runs Laconia High School and Middle School?
Laconia High School and Middle School (PWSID WI4200645) 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 Laconia High School and Middle School serve?
Laconia High School and Middle School reports serving 620 people through 1 service connection in Fond du Lac County, Wisconsin.
Where does Laconia High School and Middle 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 Laconia High School and Middle 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 July 2009. 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 Laconia High School and Middle 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 July 2009. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Laconia High School and Middle School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Laconia High School and Middle 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 Fond du Lac County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fond Du Lac Waterworks | Fond du Lac | 44,678 | Community | Groundwater |
| Ripon Water Utility | Fond du Lac | 7,716 | Community | Groundwater |
| North Fond Du Lac Waterworks | Fond du Lac | 5,414 | Community | Groundwater |
| Campbellsport Waterworks | Fond du Lac | 1,825 | Community | Groundwater |
| Oakfield Waterworks | Fond du Lac | 1,058 | Community | Groundwater |
| Ashwood Grove Edgewater | Fond du Lac | 1,046 | 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, “Laconia High School and Middle School, PWSID WI4200645, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/laconia-high-school-and-middle-school-wi4200645 (data as of October 1, 2026).