DirtyWaterWatch

Maine / Dischargers /

Portland Water District (Portland CSOs and East End WWTF)

CSO · Maine · Portland

NPDES permit
ME0102075
Outfalls
21 with coordinates in the registry (the state's layer lists 16)
Receiving waters
Back Cove; Casco Bay; Fore River; Portland Harbor
Tracked waters
Casco Bay, ME, Fore River, ME
Events tracked
0 discharges
Volume reported
no volumes reported

Source: discharger record from the project's research and EPA ECHO (dischargers.json); counts from the 0 event records below, as of 2026-11-02 11:56 UTC.

How it tells the public

PWD alerts page https://www.pwd.org/alerts-notifications/ (email/SMS sign-up; categories are water main flushing and water main breaks only; RSS https://www.pwd.org/news/category/alerts/feed/). No CSO category; site search for overflow/CSO returned no CSO notice pages.

Sign up for its notices

Source: the project's research on each operator's notification channel (research/<state>/dischargers.json), checked by fetching the operator's pages.

Outfalls

Source: water outlines from OpenBoatLaunch and OpenStreetMap contributors (ODbL); outfalls from EPA ECHO and the state outfall layers; modeled reaches computed by DirtyWaterWatch from USGS NLDI, NHDPlus and the nearest USGS gauge (Jobson 1996); basemap OpenFreeMap and OpenMapTiles.

21 outfalls in the registry
  • 002 ARCADIA STREET · CSO · Casco Bay
  • 004 TUKEY'S SIPHON · CSO · Casco Bay
  • 005 RANDALL ST · CSO · Back Cove
  • 007 OCEAN AVENUE · CSO · Back Cove
  • 008 Clifton Street · CLS · Back Cove
  • 009 George Street · CLS · Back Cove
  • 010 Mackworth Street · CLS · Back Cove
  • 011 Chenery Street · CLS · Back Cove
  • 012 VANNAH AVE · CSO · Back Cove
  • 015 DARTMOUTH AT BAXTER · CSO · Back Cove
  • 016 BANK ROAD · CSO · Back Cove
  • 020 NORTHEAST P.S. · CSO · Casco Bay
  • 023 INDIA STREET P.S. · CSO · Portland Harbor
  • 025 LONG WHARF · CSO · Portland Harbor
  • 027 CLARK STREET · CSO · Fore River
  • 028 EMERY STREET · CSO · Fore River
  • 029 COMMERCIAL ST · CSO · Fore River
  • 030 SAINT JAMES STREET · CSO · Fore River
  • 032 THOMPSON POINT P.S. · CSO · Fore River
  • 033 FORE RIVER P.S. · CSO · Fore River
  • 034 Brewer Street · CLS · Fore River

Source: EPA ECHO CSO outfall inventory matched to waters (data/outfalls-ne.json).

Event history

No event from this discharger is tracked yet.

History