Mcalisterville Area Joint Authority
EPA ID: PA4340002 · 850 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Mcalisterville Area Joint Authority (PA4340002): a lead 90th-percentile reading above the EPA action level. Mcalisterville Area Joint Authority's EPA record lists 17 historical violations, and none is listed as open in that record; the utility supplies water to 850 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Mcalisterville Area Joint Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mcalisterville Area Joint Authority have a median household income of $64,515 and about 10,676 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 69% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 60% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Mcalisterville Area Joint Authority's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Pennsylvania
System Overview
Mcalisterville Area Joint Authority (EPA ID: PA4340002) is a community water system in Pennsylvania that serves approximately 850 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 17 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 |
|---|---|---|---|
| April 1, 2025 | Chlorine | Non-health-based | Resolved |
| April 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| March 1, 2025 | Groundwater Rule | Non-health-based | Resolved |
| May 1, 2024 | Groundwater Rule | Non-health-based | Resolved |
| March 1, 2024 | Groundwater Rule | Non-health-based | Resolved |
| May 1, 2023 | Groundwater Rule | Non-health-based | Resolved |
| January 1, 2023 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 1, 2023 | Nitrate | Non-health-based | Resolved |
| January 1, 2023 | Nitrite | Non-health-based | Resolved |
| February 1, 2022 | Interim Enhanced Surface Water Treatment Rule | Non-health-based | Resolved |
| November 1, 2021 | Interim Enhanced Surface Water Treatment Rule | Non-health-based | Resolved |
| October 1, 2021 | Consumer Confidence Rule | Non-health-based | Resolved |
| May 11, 2021 | Public Notice | Non-health-based | Resolved |
| March 1, 2021 | Interim Enhanced Surface Water Treatment Rule | Non-health-based | Resolved |
| January 1, 2021 | Groundwater Rule | Non-health-based | Resolved |
| January 1, 2021 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 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 | 5 | No |
| Interim Enhanced Surface Water Treatment Rule | Monitoring & Reporting | 3 | No |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 2 | No |
| Nitrate | Monitoring & Reporting | 1 | No |
| Nitrite | Monitoring & Reporting | 1 | No |
| TTHM | Monitoring & Reporting | 1 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
| Public Notice | Other (notice or report rule) | 1 | No |
| Consumer Confidence Rule | Monitoring & Reporting | 1 | No |
| Chlorine | Monitoring & Reporting | 1 | No |
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.0505 mg/L (1994-06-30).
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
2 of 2 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 Mcalisterville Area Joint Authority (PA4340002) on EPA.gov.
Frequently Asked Questions
Is Mcalisterville Area Joint Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Mcalisterville Area Joint Authority; its 17 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Mcalisterville Area Joint Authority serve?
Mcalisterville Area Joint Authority serves approximately 850 people across 2 ZIP codes in Pennsylvania.
Where does Mcalisterville Area Joint Authority get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mcalisterville Area Joint Authority (PA): 17 EPA Violations. https://zipcheckup.com/water-system/pa4340002/
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author = {{ZipCheckup}},
title = {{Mcalisterville Area Joint Authority (PA): 17 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa4340002/}
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What You Can Do
Test your water
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Check your specific ZIP code
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Contact your utility
Mcalisterville Area Joint Authority (EPA ID: PA4340002) - request the latest Consumer Confidence Report or ask about specific contaminants.