PlainWater
States → Pennsylvania

Community Water System · PWS PA7360007

Christiana Muni Water Auth

Christiana, Pennsylvania 17509 - drinking water served from groundwater sources to 1,100 people, tracked in EPA SDWIS and UCMR5.

1,100
People served
305
EPA violations
36
Health-based
Untested
UCMR5 result

The verdict

EPA records 305 drinking-water violations at Christiana Muni Water Auth, 12% of them health-based - above the Pennsylvania per-system average.

305
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
1,100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Christiana Muni Water Auth

Christiana Muni Water Auth is a local-owned community water system that delivers drinking water to 1,100 residents in Christiana, Pennsylvania (Lancaster County) through 425 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 305 total violations for this system , of which 36 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 233 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 22 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Christiana Muni Water Auth's 305 violations sit above the Pennsylvania average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,100
Total Violations
305
Health-Based Violations
36
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
425
County
Lancaster
School/Daycare
No
MCL Violations
22
Monitoring Violations
233
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 22 2010
Public Notice Other 21 2024
Surface Water Treatment Rule MR 20 2016
Groundwater Rule MR 13 2024
Groundwater Rule TT 12 2024
Consumer Confidence Rule Other 8 2020
Chlorine MR 6 2019
Total Haloacetic Acids (HAA5) MR 6 2021
Radium-226 MR 6 2011
1,2,4-Trichlorobenzene MR 6 2014
cis-1,2-Dichloroethylene MR 6 2014
Xylenes, Total MR 6 2014
DICHLOROMETHANE MR 6 2014
Trichloroethylene MR 6 2014
CHLOROBENZENE MR 6 2014
Benzene MR 6 2014
TTHM MR 6 2021
Toluene MR 6 2014
1,2-Dichloroethane MR 6 2014
Ethylbenzene MR 6 2014
Radium-228 MR 6 2011
p-Dichlorobenzene MR 6 2014
1,2-Dichloropropane MR 6 2014
1,1-Dichloroethylene MR 6 2014
1,1,2-Trichloroethane MR 6 2014
o-Dichlorobenzene MR 6 2014
1,1,1-Trichloroethane MR 6 2014
trans-1,2-Dichloroethylene MR 6 2014
Styrene MR 6 2014
Tetrachloroethylene MR 6 2014

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Christiana Muni Water Auth.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID PA7360007 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP, Bureau of Safe Drinking Water is the primacy agency that licenses and inspects Christiana Muni Water Auth under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP, Bureau of Safe Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Public Notice Other 21 SDWIS / PA7360007 / 7500
2024 Groundwater Rule MR 13 SDWIS / PA7360007 / 0700
2024 Groundwater Rule TT 12 SDWIS / PA7360007 / 0700
2022 Gross Alpha, Excl. Radon and U MR 2 SDWIS / PA7360007 / 4000
2021 Total Haloacetic Acids (HAA5) MR 6 SDWIS / PA7360007 / 2456
2021 TTHM MR 6 SDWIS / PA7360007 / 2950
2020 Consumer Confidence Rule Other 8 SDWIS / PA7360007 / 7000
2019 Chlorine MR 6 SDWIS / PA7360007 / 0999
2018 Revised Total Coliform Rule RPT 4 SDWIS / PA7360007 / 8000
2016 Surface Water Treatment Rule MR 20 SDWIS / PA7360007 / 0200
2014 1,2,4-Trichlorobenzene MR 6 SDWIS / PA7360007 / 2378
2014 cis-1,2-Dichloroethylene MR 6 SDWIS / PA7360007 / 2380
2014 Xylenes, Total MR 6 SDWIS / PA7360007 / 2955
2014 DICHLOROMETHANE MR 6 SDWIS / PA7360007 / 2964
2014 Trichloroethylene MR 6 SDWIS / PA7360007 / 2984

How Christiana Muni Water Auth Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Christiana Muni Water Auth Pennsylvania avg Federal benchmark
Total violations 305 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 36 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,100 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Christiana Muni Water Auth water safe to drink? ▼
Christiana Muni Water Auth (PWS ID: PA7360007) has 305 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,100 people using Groundwater sources.
How many people does Christiana Muni Water Auth serve? ▼
Christiana Muni Water Auth serves 1,100 people in Christiana, Pennsylvania. It is a Local-owned system using Groundwater water sources with 425 service connections.
What type of violations does Christiana Muni Water Auth have? ▼
Christiana Muni Water Auth has 305 total violations: 36 health-based violations (MCL exceedances or treatment failures), 233 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Christiana Muni Water Auth water? ▼
No PFAS testing data is available for Christiana Muni Water Auth under the EPA's UCMR5 monitoring program.
What water source does Christiana Muni Water Auth use? ▼
Christiana Muni Water Auth uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.