Portland Water District/steep Falls
EPA ID: ME0091302 · 480 people served · 10 ZIP codes
Water monitoring for Portland Water District/steep Falls: clean, five years, 480 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Portland Water District/steep Falls Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Portland Water District/steep Falls serves a community with a median household income of $85,157 and an estimated 75,358 residents across its service area. Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Portland Water District/steep Falls'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.
About 1% of homes in Cumberland County, Maine rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
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 Maine
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
Portland Water District/steep Falls (EPA ID: ME0091302) is a community water system in Maine that serves approximately 480 people from groundwater sources.
This system provides water to 10 ZIP codes across 2 communities.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 04084 — Standish
- 04101 — Portland
- 04102 — Portland
- 04103 — Portland
- 04104 — Portland
- 04109 — Portland
- 04112 — Portland
- 04122 — Portland
- 04123 — Portland
- 04124 — Portland
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Portland Water District/steep Falls (ME0091302) on EPA.gov.
Frequently Asked Questions
Is Portland Water District/steep Falls water safe to drink?
Based on EPA records, Portland Water District/steep Falls has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Portland Water District/steep Falls serve?
Portland Water District/steep Falls serves approximately 480 people across 10 ZIP codes in Maine.
Where does Portland Water District/steep Falls get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.