Christiana Muni Water Authority
EPA ID: PA7360007 · 1,100 people served · 4 ZIP codes
ZipCheckup's reading of EPA records for Christiana Muni Water Authority (PA7360007): 2 health-based violations recorded since 2021. Christiana Muni Water Authority has 9 EPA violations on record, all marked resolved in the federal data; the utility serves 1,100 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Christiana Muni Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Christiana Muni Water Authority have a median household income of $98,705 and about 18,345 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Christiana Muni Water Authority'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.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Pennsylvania
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
Christiana Muni Water Authority (EPA ID: PA7360007) is a community water system in Pennsylvania that serves approximately 1,100 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 9 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 |
|---|---|---|---|
| November 1, 2024 | Groundwater Rule | Non-health-based | Resolved |
| July 13, 2024 | Public Notice | Non-health-based | Resolved |
| July 1, 2024 | Groundwater Rule | Health-based | Resolved |
| May 13, 2024 | Public Notice | Non-health-based | Resolved |
| May 1, 2024 | Groundwater Rule | Health-based | Resolved |
| October 1, 2022 | Gross Alpha | Non-health-based | Resolved |
| April 1, 2022 | Groundwater Rule | Non-health-based | Resolved |
| July 1, 2021 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| July 1, 2021 | 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 |
|---|---|---|---|
| Groundwater Rule | Other Violation | 4 | Yes |
| Public Notice | Other (notice or report rule) | 2 | No |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 1 | No |
| TTHM | Monitoring & Reporting | 1 | No |
| Gross Alpha | Monitoring & Reporting | 1 | No |
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.07 mg/L (1996-12-31).
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
4 of 4 ZIP records with known zones are in EPA Radon Zone 1.
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 PA or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Christiana Muni Water Authority (PA7360007) on EPA.gov.
Frequently Asked Questions
Is Christiana Muni Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Christiana Muni Water Authority; its 9 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Christiana Muni Water Authority serve?
Christiana Muni Water Authority serves approximately 1,100 people across 4 ZIP codes in Pennsylvania.
Where does Christiana Muni Water Authority get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Christiana Muni Water Authority (PA): 2 Health Violations. https://zipcheckup.com/water-system/pa7360007/
@misc{zipcheckup-water-system-pa7360007,
author = {{ZipCheckup}},
title = {{Christiana Muni Water Authority (PA): 2 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa7360007/}
}
What You Can Do
Test your water
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Check your specific ZIP code
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Contact your utility
Christiana Muni Water Authority (EPA ID: PA7360007) - request the latest Consumer Confidence Report or ask about specific contaminants.