Christiana Muni Water Authority
EPA ID: PA7360007 · 1,100 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Christiana Muni Water Authority (PA7360007): 2 past health-based violations, since resolved. Records for Christiana Muni Water Authority show 9 violations over the monitored period, with every finding addressed and officially closed - the provider, which serves approximately 1,100 people, carries no outstanding enforcement actions in the current EPA dataset and meets all applicable drinking water requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for Christiana Muni Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Christiana Muni Water Authority serves a community with a median household income of $98,705 and an estimated 18,345 residents across its service area. 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 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 60th 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 Christiana Muni Water Authority 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.
Contaminant 0700 at 4 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Gross Alpha at 1 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.
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
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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 | Contaminant 0700 | Non-health-based | Resolved |
| July 13, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2024 | Contaminant 0700 | Health-based | Resolved |
| May 13, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| May 1, 2024 | Contaminant 0700 | Health-based | Resolved |
| October 1, 2022 | Gross Alpha | Non-health-based | Resolved |
| April 1, 2022 | Contaminant 0700 | Non-health-based | Resolved |
| July 1, 2021 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| July 1, 2021 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 0700 | Other Violation | 4 | Yes |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Gross Alpha | Radionuclides | 1 | No |
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
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
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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 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 the full compliance record 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
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
Christiana Muni Water Authority (EPA ID: PA7360007) - request the latest Consumer Confidence Report or ask about specific contaminants.