Poynette Waterworks
EPA ID: WI1110037 · 2,520 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Poynette Waterworks (WI1110037): 1 health-based violation recorded since 2021. Every entry among the 4 violations in EPA records for Poynette Waterworks has a resolved status in the data; this utility delivers water to about 2,520 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Poynette Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Poynette Waterworks have a median household income of $95,802 and about 5,909 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Poynette Waterworks's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Wisconsin
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Poynette Waterworks (EPA ID: WI1110037) is a community water system in Wisconsin that serves approximately 2,520 people from groundwater sources.
This system serves ZIP code 53955 in Poynette.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| December 1, 2024 | Groundwater Rule | Health-based | Resolved |
| December 1, 2024 | Public Notice | Non-health-based | Resolved |
| July 1, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Rule | Other (notice or report rule) | 2 | No |
| Public Notice | Other (notice or report rule) | 1 | No |
| Groundwater Rule | Other Violation | 1 | Yes |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0031 mg/L | No | 2023-09-30 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by WI or modeled from parcel and building-footprint data.
- 53955 - Poynette
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Poynette Waterworks (WI1110037) on EPA.gov.
Frequently Asked Questions
Is Poynette Waterworks water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Poynette Waterworks; its 4 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Poynette Waterworks serve?
Poynette Waterworks serves approximately 2,520 people across 1 ZIP code in Wisconsin.
Where does Poynette Waterworks get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Poynette Waterworks (WI): 1 Health Violation. https://zipcheckup.com/water-system/wi1110037/
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author = {{ZipCheckup}},
title = {{Poynette Waterworks (WI): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wi1110037/}
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What You Can Do
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Poynette Waterworks (EPA ID: WI1110037) - request the latest Consumer Confidence Report or ask about specific contaminants.