Montgomery Water Authority
EPA ID: PA4410161 · 2,700 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Montgomery Water Authority (PA4410161): 1 past health-based violation, since resolved. Water monitoring history for Montgomery Water Authority includes 26 violations, each addressed and closed - the system holds no active EPA enforcement today for its 2,700 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Montgomery Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Montgomery Water Authority serves a community with a median household income of $72,621 and an estimated 17,392 residents across its service area. Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 31% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
Montgomery 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 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 Montgomery 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.
Lead and Copper Rule at 7 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 4 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 3 mg/L exceeds the EPA maximum of mg/L.
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 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
Montgomery Water Authority (EPA ID: PA4410161) is a community water system in Pennsylvania that serves approximately 2,700 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 25 resolved, 1 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 |
|---|---|---|---|
| January 1, 2026 | Contaminant 2034 | Non-health-based | Archived |
| July 1, 2024 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| October 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| October 1, 2023 | Contaminant 0700 | Health-based | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| January 11, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| January 11, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| January 11, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| January 11, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| January 11, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| January 11, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| January 11, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| January 1, 2023 | Contaminant 2063 | Non-health-based | Resolved |
| January 1, 2023 | Contaminant 2931 | Non-health-based | Resolved |
| December 1, 2022 | Contaminant 0700 | Non-health-based | Resolved |
| November 1, 2022 | Contaminant 0700 | Non-health-based | Resolved |
| June 1, 2022 | Contaminant 0700 | Non-health-based | Resolved |
| October 1, 2021 | Surface Water Treatment Rule | Non-health-based | Resolved |
| October 1, 2021 | Combined Radium | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 7 | No |
| Contaminant 0700 | Other Violation | 4 | Yes |
| Surface Water Treatment Rule | Treatment Failure | 3 | No |
| Combined Radium | Radionuclides | 2 | No |
| Radium-226 | Radionuclides | 2 | No |
| Radium-228 | Radionuclides | 2 | No |
| Barium | Inorganic | 1 | No |
| Contaminant 2034 | Other Violation | 1 | No |
| Contaminant 2063 | Other Violation | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Contaminant 2931 | Other Violation | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 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 Montgomery Water Authority (PA4410161) on EPA.gov.
Frequently Asked Questions
Is Montgomery Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Montgomery Water Authority; its 26 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Montgomery Water Authority serve?
Montgomery Water Authority serves approximately 2,700 people across 2 ZIP codes in Pennsylvania.
Where does Montgomery Water Authority get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Montgomery Water Authority (PA): 1 Health Violation. https://zipcheckup.com/water-system/pa4410161/
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author = {{ZipCheckup}},
title = {{Montgomery Water Authority (PA): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa4410161/}
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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
Montgomery Water Authority (EPA ID: PA4410161) - request the latest Consumer Confidence Report or ask about specific contaminants.