Water softeners and filtration in Allentown, PA

What does Lehigh County Authority publish about Allentown water?

Lehigh County Authority supplies Allentown from two springs, the Little Lehigh Creek and the Lehigh River.

• An undated Lehigh County Authority web page gives 13 grains per gallon for the Allentown Division, lower than the average in its 2025 report.

What does 180 to 284 mg/L mean for a Allentown home?

180 to 284 mg/L is about 10.5 to 16.6 grains per gallon. The low end, 180 mg/L, is right at the 180 mg/L top of the USGS hard class; Allentown's high end, 284 mg/L, is 104 mg/L over the 180 mg/L line where the USGS very hard class starts. (USGS hardness classes)

Which systems fit Allentown water?

How does a Allentown quote work?

1. Send a request from one of the 2 Allentown ZIP codes listed below.
2. An assessment at your home, where your tap can be checked against Lehigh County Authority's published 180 to 284 mg/L.
3. You get a written quote listing what is included.
4. Installation and service by that company.

Common questions

How hard is the water in Allentown?

Total hardness reported by Lehigh County Authority: Average 15.0 grains per gallon, range 10.5-16.6 grains per gallon (Calendar year 2025).

Is Allentown water hard or soft?

Hard to very hard. The low end, 180 mg/L, is right at the 180 mg/L top of the USGS hard class; Allentown's high end, 284 mg/L, is 104 mg/L over the 180 mg/L line where the USGS very hard class starts.

How many grains per gallon is Allentown water?

In grains per gallon, as published: 15.0 grains per gallon (Lehigh County Authority, total hardness, Calendar year 2025).

Where does Allentown tap water come from?

Allentown water comes from Crystal Spring and Schantz Spring plus the Little Lehigh Creek and the Lehigh River. Source: Lehigh County Authority, Allentown Division 2025 Water Quality Report.

Is Allentown water treated with chlorine or chloramine?

Lehigh County Authority uses chlorine as its main disinfectant in Allentown. Source: Lehigh County Authority, Allentown Division 2025 Water Quality Report. A softener does not remove it.

How does Allentown water compare with nearby cities?

Published hardness in Allentown spans 180 to 284 mg/L (converted from grains). Nearby: Philadelphia 72 to 270 mg/L.

Do I need a water softener in Allentown?

Lehigh County Authority publishes 180 to 284 mg/L for Allentown, which reads as hard to very hard. A test at your house shows whether your tap matches it.

Is the water the same in every Allentown home?

Lehigh County Authority publishes one figure for its whole system (Calendar year 2025).

How much does a water softener cost in Allentown?

We publish no prices for Allentown. The installing company gives a written quote after an assessment at your home.

Who installs the system?

We have not named a local installing company for Allentown yet. We will tell you the company's name and ask you before your request is shared with anyone.

Is Allentown Water Systems part of the city or the water utility?

No. Allentown Water Systems is not affiliated with Lehigh County Authority; it copies and links the published figures.

Is booking an assessment a purchase?

No, and a request commits you to nothing.

Which ZIP codes does this page cover?

18101, 18102

Compare published hardness in other cities on hard water by city.

Machine-readable facts: water.json. Summary for AI assistants: llms.txt.