Pennsport Water Hardness & Quality Report (2026)

Pennsport, Pennsylvania, in Philadelphia County — a major south Philadelphia historic working-class neighborhood (Pennsport is a significant Philadelphia County neighborhood — a south Philadelphia community on the Delaware River waterfront adjacent to Queen Village and Dickinson Narrows; Pennsport is one of the most historically significant south Philadelphia row house neighborhoods (Pennsport's brick row house streetscapes are some of the most intact 19th- and early 20th-century working-class Philadelphia housing in the city; the neighborhood's close-knit character and strong block-level community culture are characteristic of South Philadelphia's distinctive neighborhood life)); Pennsport is historically an Irish-American and Italian-American working-class south Philadelphia neighborhood (like much of South Philadelphia, Pennsport was long a stronghold of Irish-American and Italian-American working-class families employed in the Delaware River waterfront industries, the Philadelphia Navy Yard, and the south Philadelphia manufacturing industries; the neighborhood's ethnic working-class character has been shaped by generations of such families); Pennsport is undergoing significant gentrification and demographic change (since the 2000s, Pennsport has attracted young professionals, artists, and families priced out of more northerly Philadelphia neighborhoods; the Pennsport–Queen Village corridor along Passyunk Avenue has seen significant restaurant, bar, and retail development), a diverse Philadelphia County community — draws its municipal water supply via the Philadelphia Water Department. Water hardness in Pennsport measures 166 mg/L — classified as hard.

Pennsport's hard supply reflects the southeast Pennsylvania Schuylkill River watershed's calcareous-moderate character. The Schuylkill River (Baxter Water Treatment Plant) draws from calcareous-moderate PA Piedmont with effective treatment, producing the hard 166 mg/L.

At 166 mg/L, Pennsport residents face regular hard water challenges. Monthly descaling and water softeners are recommended. Philadelphia Water Department consistently delivers water meeting all Pennsylvania DEP and EPA Safe Drinking Water Act requirements.