Serving Lehigh County
Water Testing & Filtration in Allentown, PA
Allentown’s water system is operated by the Lehigh County Authority, drawing largely from the Little Lehigh Creek — water that has spent its life moving through limestone. That means the state’s signature hard water arrives chlorinated at some of the state’s oldest housing stock. Every piece of that is measurable, and the test is free.
Local water profile
What Allentown water is like
City water in Allentown is treated and chlorinated by the Lehigh County Authority. Because the sources sit in limestone country, hardness is a fact of life — scale on fixtures and dying water heaters are the complaints we hear most across the city and the West End. The second local story is age: Center City, the 1st and 6th Wards, and much of the East Side were built decades before the 1986 lead-solder ban, so older homes carry a lead question only a test can answer.
Sound familiar?
What homeowners in Allentown notice
- Crusty white scale on faucets and showerheads within months of cleaning
- Chlorine taste, especially in summer
- Dishwasher spots and stiff laundry
- Water heaters that rumble or fail early — the classic hard-water tax
The local issues, honestly
Water issues worth knowing about in Allentown
Not everything on this list is dangerous — most of it is a cost or comfort problem, and we label each one honestly. A free test tells you which apply to your home.
Hard water & scale
Nuisance & cost — not a health riskHard water carries dissolved rock — mostly calcium and magnesium picked up from limestone. The more rock it carries, the more it leaves behind on your dishes, pipes, and skin.
Hard water is safe to drink. It is a cost and comfort problem, not a health problem — it shortens appliance life and wastes soap and energy, but it will not hurt you.
Hard water & scale, explainedChlorine taste & disinfection byproducts
Depends on your home — test to knowUtilities add chlorine to kill germs on the way to your house — a good thing. But chlorine reacts with natural organic matter to form small amounts of byproducts (THMs and HAAs), and it makes water taste and smell like a pool.
Chlorination is one of the great public-health wins — the taste is the trade-off, not a danger. Byproducts are regulated by EPA because long-term exposure at high levels matters; utilities must stay under those limits. Carbon filtration removes both once the water is safely at your door.
Chlorine taste & smellLead from older plumbing
Health-relevant — test to knowLead almost never comes from the source water. It comes from the pipes it travels through — old lead service lines, lead solder used before the 1986 ban, and older brass fixtures.
Lead is a genuine health issue, especially for children — EPA and CDC agree there is no known safe level in a child’s blood. That is a reason to test, not to panic: many older homes test fine, and the fix is well understood.
Lead from service linesAging water mains & sediment
Nuisance & cost — not a health riskMuch of NEPA’s water travels through mains laid generations ago. Old pipes shed rust and sediment, break more often, and trigger boil-water advisories when pressure drops.
The water leaves the plant clean — the distribution system is where grit and rust pick up. Sediment is mostly a nuisance and a wear-and-tear problem for fixtures and appliances; advisories are the utility being appropriately cautious.
Sediment after main breaksIf your home is older
Allentown has one of the largest stocks of pre-1940 row homes in the region. Homes that old can have lead service lines, not just lead solder. You cannot see or taste lead — if your block predates World War II, test once and know.
Lead in drinking water — what parents should knowFree · no obligation · ~30 minutes
How the free water test works in Allentown
The test is about information, not a sales visit. You find out what is actually in your water, in numbers you can keep — whatever you decide to do next.
1.Pick a time
Call or send the form. We schedule around you — evenings and Saturdays included.
2.We test at your tap
Hardness, pH, iron, chlorine, and total dissolved solids, measured on the spot in about 30 minutes.
3.Plain-English results
Every number explained while you watch. What matters, what doesn’t, and why.
4.Honest next step
If something is worth fixing, you get options and a firm quote. If your water is fine, we tell you and leave.
Good to know
Allentown water questions, answered
How hard is Allentown water?
Who supplies Allentown’s water?
Should I worry about lead in an older Allentown home?
Will a water softener fix the chlorine taste too?
What we install in Allentown
Keep learning
Neighborhoods & nearby communities
Also serving Emmaus, Whitehall, Catasauqua, Coopersburg, Center Valley, Macungie and the rest of the Lehigh Valley service area.
Don't see your town?
We cover Lehigh County, Northampton County and the rest of Northeast Pennsylvania. One call confirms coverage for your address.
(610) 510-6101