Wilderness Run
EPA ID: MD0180036 · 511 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Wilderness Run (MD0180036): 2 violations on record since 2021. Per the federal file, all 2 violations logged for Wilderness Run carry a resolved status, and around 511 people get water from this system.
Data: EPA SDWIS
Service Area Map
Coverage area for Wilderness Run Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Wilderness Run have a median household income of $139,688 and about 15,979 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Wilderness Run's water is classified in EPA records as a groundwater source. 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
Comparable Water Systems
Similar-sized systems in Maryland
System Overview
Wilderness Run (EPA ID: MD0180036) is a community water system in Maryland that serves approximately 511 people from groundwater sources.
This system serves ZIP code 20650 in Leonardtown.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 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 |
|---|---|---|---|
| September 1, 2022 | TTHM | Non-health-based | Resolved |
| January 1, 2021 | Fluoride | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Fluoride | Monitoring & Reporting | 1 | No |
| TTHM | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2022-12-31 |
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 $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 MD or modeled from parcel and building-footprint data.
- 20650 - Leonardtown
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Wilderness Run (MD0180036) on EPA.gov.
Frequently Asked Questions
Is Wilderness Run water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Wilderness Run; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Wilderness Run serve?
Wilderness Run serves approximately 511 people across 1 ZIP code in Maryland.
Where does Wilderness Run get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Wilderness Run (MD): 2 EPA Violations. https://zipcheckup.com/water-system/md0180036/
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author = {{ZipCheckup}},
title = {{Wilderness Run (MD): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/md0180036/}
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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
Wilderness Run (EPA ID: MD0180036) - request the latest Consumer Confidence Report or ask about specific contaminants.