City of Allentown

Allentown Division

PWSID (DEP System ID #): 3390024

LCA Service Area: All developed areas within the boundaries of the City of Allentown.

Number of Customers: Approximately 33,390 residential and commercial properties served, plus wholesale water service provided to neighboring communities through long-term supply contracts.

Water Supply: Approximately 21 million gallons per day is drawn from the Allentown Division sources, including Crystal Spring, Schantz Spring, the Little Lehigh Creek, and the Lehigh River.

Water Treatment: Water from all LCA sources is treated at a full-scale water treatment and filtration plant located in Allentown. Treatment processes include coagulation and flocculation, settling, filtration and chemical addition. Chlorine is the primary agent used to kill bacteria, and some corrosion-control treatment is used to ensure proper pH of the water delivered to customers.

Fluoride in your water? Yes, LCA adds fluoride to your drinking water in Allentown, up to 0.6 parts per million.

Water Hardness: 12 grains per gallon

Hardness Scale:

0 – 5 grains per gallon = Soft Water

6 – 10 grains per gallon = Moderately Hard Water

> 11 grains per gallon = Hard Water

Download your annual Water Quality Report which includes more educational information about your water system as well as complete test results for all water quality monitoring completed in calendar year 2018. The 2019 water quality report will be available by June 2020.