Public Water Partners

LAONA, WI · Forest County

LAONA SANITARY DIST Water System

Consumer Confidence Report status

LAONA SANITARY DIST must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 open health-based violation for LAONA SANITARY DIST.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

System facts

System ID (PWSID)
WI7210108
System type
Community Water System
Population served
950
Service connections
442
Ownership
local government
Water source
groundwater (wells)

LAONA SANITARY DIST is one of 333 community water systems in Wisconsin in the 501 to 3,300 people size category, serving 950 people from groundwater.

As of August 1, 2026, its federal record holds 30 entries between 1993 and 2024, of which 1 health-based item remains open.

Of the 30, 28 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, the Lead and Copper Rule, and the Consumer Confidence Rule.

Violation history

  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Addressed

  • Consumer Confidence Report Inadequate Reporting

    —

    Consumer Confidence Rule

    July 1, 2023 – July 12, 2023

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 1993 – July 6, 1993

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 1993 – December 31, 1993

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 1993 – July 6, 1993

    Resolved

Addressed corrective action reported, pending final confirmationResolved addressed and confirmed by the state

Enforcement actions

Common questions

Is LAONA SANITARY DIST required to publish a Consumer Confidence Report?

Yes. LAONA SANITARY DIST is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is LAONA SANITARY DIST’s next Consumer Confidence Report due?

LAONA SANITARY DIST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does LAONA SANITARY DIST have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 open health-based violation for LAONA SANITARY DIST.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

LAONA SANITARY DISTRICT

Phone not on record

LAONA, WI 54541