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Cost guide

How much does well water treatment cost?

Well treatment cost depends on your test results: pH, iron, manganese, sulfur, bacteria, nitrate, arsenic, and radon. We price it only after a free in-home well test.

Check my waterFree in-home test

WÜDR doesn't publish price ranges. A range that covers every home is too wide to be useful, and a price for the wrong system is worse than no price. Instead, we look at your water first, recommend the system that fits, and then show you its price.

For wells, we go a step further: we don't price a well system until we've tested your water. Well problems interact, and the system is built in stages, so the test decides which stages you need.

What drives the price

  1. How many problems you have. A well with only hardness needs one unit; a well with low pH, iron, and bacteria needs several stages. Corrosive water is common in Chester County wells[1].
  2. Health contaminants. Bacteria (UV), nitrate or arsenic (often kitchen RO), and radon (aeration) each add specific equipment. See radon and arsenic.
  3. Levels. Higher iron or sulfur usually means oxidation and backwashing filtration rather than a simple filter.
  4. Flow rate and well pump. Backwashing filters need enough flow from your well to clean themselves.
  5. Space, drain, and electrical. Several tanks need floor space, a drain, and sometimes an outlet.
  6. Ongoing costs. UV lamps, salt, media, and periodic lab retesting.

Help that may be available

  • Delaware offers free well test kits and a financial aid program for private well owners[2].
  • In New Jersey, the Spill Fund may help eligible well owners with PFAS treatment[3].

Get your exact price in 2 minutes. Run your free water report or take the 60-second quiz. We'll recommend a system and show its installed price. On a private well, we'll price it after a free in-home test.

Other cost guides

Water softener costWhole-house water filter costReverse osmosis costPFAS water filter cost

Common questions

Why do you need to test before pricing a well system?

Because two wells on the same street can need completely different systems. Pricing without a test means either overselling or underselling you.

Your water first. Then your price.

Get my free water reportBook a free in-home test

Sources

  1. Penn State AASL: Chester County drinking water test summary. agsci.psu.edu/aasl/water-testing/drinking-water-testing/drinking-water-test-summaries/chester
  2. Delaware DPH: Financial aid program and free water testing kits for private well owners (Aug 31, 2023). news.delaware.gov/2023/08/31/dph-launches-new-financial-aid-program-for-private-well-owners-offers-free-water-testing-kits-to-delaware-residents/
  3. NJ Department of Health: PFAS and private wells in New Jersey (July 2025). www.nj.gov/health/ceohs/documents/pfas_well_water.pdf

EPA records retrieved Oct 2026 from the EPA SDWIS and UCMR 5 public datasets. Utility records describe a water system, not the tap in your home. Records can lag and may be incomplete.