Maine / Dischargers /

City of South Portland Water Resource Protection

CSO · Maine · South Portland

NPDES permit

ME0100633

Outfalls

6 with coordinates in the registry (the state's layer lists 4)

Receiving waters

Barberry Creek; Fore River; Calvary Pond; Portland Harbor

Tracked waters

Fore River, ME, Casco Bay, 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

No event notification found. Permit requires a permanent 12x18 inch green 'wet weather sewage discharge' sign at each CSO outfall (standard MEPDES CSO special condition) and Ch. 570 annual newspaper notice; annual totals appear only in the DEP CSO Status Report (published each June-July for the prior year). Website check 2026-11-01: southportland.org homepage scanned; CivicAlerts news only.

• Outfall layer (source data)

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.

6 outfalls in the registry

• 005 CASH CORNER · CSO · Fore River
• 006 BROADWAY & EVANS · CSO · Fore River
• 018 FRONT STREET · CSO · Fore River
• 019 West High Street · CLS · Portland Harbor
• 021 Main Street · CLS · Fore River
• 024 ELM STREET · CSO · Fore River

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

Event history

History