Maple Bluff Waterworks
EPA ID: WI1130234 · 1,342 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Maple Bluff Waterworks (WI1130234): 1 unresolved EPA violation on record. Unlike fully compliant utilities, Maple Bluff Waterworks has 1 outstanding EPA violation for approximately 1,342 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Maple Bluff Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Maple Bluff Waterworks serves a community with a median household income of $75,007 and an estimated 47,136 residents across its service area. Approximately 71% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Maple Bluff Waterworks's water is pumped from underground aquifers. 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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Maple Bluff Waterworks compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →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
Maple Bluff Waterworks (EPA ID: WI1130234) is a community water system in Wisconsin that serves approximately 1,342 people from groundwater sources.
This system serves ZIP code 53704 in Madison.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 0 archived, 0 addressed, and 1 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 |
|---|---|---|---|
| October 17, 2024 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| January 1, 2021 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 1, 2021 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00279 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
- 53704 - Madison
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Maple Bluff Waterworks (WI1130234) on EPA.gov.
Frequently Asked Questions
Is Maple Bluff Waterworks water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Maple Bluff Waterworks serve?
Maple Bluff Waterworks serves approximately 1,342 people across 1 ZIP code in Wisconsin.
Where does Maple Bluff Waterworks get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Maple Bluff Waterworks (WI): 3 EPA Violations. https://zipcheckup.com/water-system/wi1130234/
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title = {{Maple Bluff Waterworks (WI): 3 EPA Violations}},
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url = {https://zipcheckup.com/water-system/wi1130234/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Maple Bluff Waterworks (EPA ID: WI1130234) - request the latest Consumer Confidence Report or ask about specific contaminants.