Historical Compliance Records PA

Downingtown Water Authority

EPA ID: PA1150026 ยท 9,900 people served ยท 2 ZIP codes

ZipCheckup's reading of EPA SDWIS for Downingtown Water Authority (PA1150026): 24 EPA violations in the last five years. Dating back across the full five-year EPA tracking window, Downingtown Water Authority encountered 24 violations, each subsequently remedied and closed - today the utility meets all federal drinking water requirements for the 9,900 residents in its service area and holds no open enforcement actions.

Data: EPA SDWIS

9,900
People Served
2
ZIP Codes Served
24
Violations (5yr)
Surface Water
Water Source
0.002 mg/L
Max Lead Level
24
Contaminants Flagged
$379K
Median Home Value in Service Area

Service Area Map

Coverage area for Downingtown Water Authority Source: EPA SDWIS service area boundaries.

Service area boundary

Service Area Demographics

$128,506
Median Household Income
54,818
Service Area Population
20%
Disadvantaged Population
40th
Poverty Percentile
50th
Energy Burden Percentile
54%
Pre-1986 Housing

The Downingtown Water Authority serves a community with a median household income of $128,506 and an estimated 54,818 residents across its service area. Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

Downingtown Water 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.

Elevated Risk
Source Contamination Risk
50th
Wastewater Discharge Proximity
55th
Superfund Site Proximity

Infrastructure Risk

42 yr
Avg Pipe Age
Copper
Pipe Material
29 yr
Est. Remaining Life
Stable
Decay Status
Installed 59% of expected lifespan used End of life

Detected Contaminants

How Downingtown Water Authority compares to EPA limits

PFOA 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.000004 mg/L
PFNA 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.00001 mg/L
Chlorodibromomethane 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.002 mg/L
Liver cancer, brain cancer (known carcinogen)
Bromate 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.01 mg/L
Haloacetic Acids (HAA5) 1 mg/L (EXCEEDS LIMIT)
0 EPA Limit: 0.06 mg/L
Cancer risk; reproductive & developmental effects

What This Means For You

PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.

PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.

Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.

Bromate at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.

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.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 14 detections recorded. 4 exceed federal EPA limits (4 ppt for PFOA/PFOS).

State limits: PFOA: 0.014 ppt, PFOS: 0.018 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter โ†’

Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.

Find a certified water filter โ†’

Comparable Water Systems

Similar-sized systems in Pennsylvania

D 44 violations
20 violations
Paw Crystal Lake
9,773 people
0 violations
C 21 violations
17 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation PFAS Treatment
Flood Insurance $1,500
Radon Mitigation $1,200
PFAS Treatment $600
Total Estimated Cost $3,300

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.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,500

Annual per household (CDC est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$7,665
10 years
$15,330
20 years
$30,660

Compare: Estimated remediation cost is $3,300 (one-time) vs. $15,330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Downingtown Water Authority (EPA ID: PA1150026) is a community water system in Pennsylvania that serves approximately 9,900 people from surface water sources.

This system provides water to 2 ZIP codes across 2 communities.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 24 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 22 resolved, 2 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
September 1, 2025 Fecal Coliform Non-health-based Archived
July 1, 2025 Haloacetic Acids (HAA5) Non-health-based Archived
January 1, 2023 PFOA Non-health-based Resolved
January 1, 2023 PFNA Non-health-based Resolved
January 1, 2023 Monochloroacetic Acid Non-health-based Resolved
January 1, 2023 Dichloroacetic Acid Non-health-based Resolved
January 1, 2023 Bromodichloromethane Non-health-based Resolved
January 1, 2023 Dibromochloromethane Non-health-based Resolved
January 1, 2023 Chlorodibromomethane Non-health-based Resolved
January 1, 2023 Trichloroacetic Acid Non-health-based Resolved
January 1, 2023 Monobromoacetic Acid Non-health-based Resolved
January 1, 2023 Dibromoacetic Acid Non-health-based Resolved
January 1, 2023 Bromochloroacetic Acid Non-health-based Resolved
January 1, 2023 Bromodichloroacetic Acid Non-health-based Resolved
January 1, 2023 Chlorodibromoacetic Acid Non-health-based Resolved
January 1, 2023 Tribromoacetic Acid Non-health-based Resolved
January 1, 2023 HAA6Br Non-health-based Resolved
January 1, 2023 HAA9 Non-health-based Resolved
January 1, 2023 Bromate Non-health-based Resolved
January 1, 2023 Chlorate Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
PFOA PFAS 1 No
PFNA PFAS 1 No
Total Trihalomethanes (TTHM) Disinfection Byproducts 1 No
Haloacetic Acids (HAA5) Disinfection Byproducts 1 No
Monochloroacetic Acid Disinfection Byproducts 1 No
Dichloroacetic Acid Disinfection Byproducts 1 No
Bromodichloromethane Disinfection Byproducts 1 No
Dibromochloromethane Disinfection Byproducts 1 No
Chlorodibromomethane Disinfection Byproducts 1 No
Trichloroacetic Acid Disinfection Byproducts 1 No
Monobromoacetic Acid Disinfection Byproducts 1 No
Dibromoacetic Acid Disinfection Byproducts 1 No
Bromochloroacetic Acid Disinfection Byproducts 1 No
Bromodichloroacetic Acid Disinfection Byproducts 1 No
Chlorodibromoacetic Acid Disinfection Byproducts 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0.002 mg/L No N/A

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” 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 Downingtown Water Authority (PA1150026) on EPA.gov.

Frequently Asked Questions

Is Downingtown Water Authority water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Downingtown Water Authority; its 24 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Downingtown Water Authority serve?

Downingtown Water Authority serves approximately 9,900 people across 2 ZIP codes in Pennsylvania.

Where does Downingtown Water Authority get its water?

The primary water source is surface water.

Federal UCMR5 PFAS Monitoring: Detected

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.

Samples collected
116
Detections
6
Latest sample
7/8/2024
Highest analyte
PFOA: 4.2 ppt
Analyte Max detected Current MCL Status
PFOA 4.2 ppt 10 ppt Above 2029 federal MCL
PFBS 3.8 ppt โ€” โ€”
PFPeA 3.4 ppt โ€” โ€”
PFHxA 3.1 ppt โ€” โ€”

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

Frequently Asked Questions

What contaminants are in Downingtown Water Authority's water?
Detected contaminants include PFOA, PFNA, Chlorodibromomethane, Bromate. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 5 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Downingtown Water Authority serve?
Downingtown Water Authority serves approximately 9,900 people with drinking water across 2 ZIP codes.
What is Downingtown Water Authority's water source?
Downingtown Water Authority draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in Downingtown Water Authority's water?
The maximum detected lead level is 0.002 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Downingtown Water Authority's service area?
The Downingtown Water Authority service area has a median household income of $128,506. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Downingtown Water Authority get its water?
Downingtown Water 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. Based on the exported violation history and environmental factors, the source contamination risk is classified as elevated.

How to cite this page

APA ZipCheckup. (n.d.). Downingtown Water Authority (PA): 24 EPA Violations. https://zipcheckup.com/water-system/pa1150026/
BibTeX
@misc{zipcheckup-water-system-pa1150026,
  author = {{ZipCheckup}},
  title  = {{Downingtown Water Authority (PA): 24 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/pa1150026/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Downingtown Water Authority (EPA ID: PA1150026) - request the latest Consumer Confidence Report or ask about specific contaminants.

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