University of Mississippi water quality

Updated 2026-10-22 · Mississippi · Affiliate disclosure

We read 17 results from University of Mississippi’s 2025 water quality report. No results over a legal limit; 3 above a health goal or guideline.

Serves about 25,502 people · Water system ID MS0360015 · Read the district’s 2025 report (opens in a new tab)

Open this district in the water lookupCompare with your own test results, see the district map and get matched filters.

Results from the 2025 report

Each number is copied from the district’s report and links to the page it’s printed on. Where the report lists several plants, wells or purchased water, the highest is shown.

ContaminantResultHealth goalLegal limitWhat it means
PFOA (a PFAS)highest measured · range 4 to 6 · listed as a violation in the report · printed as .006 ppb · Wells · 2025 report, page 36 ppt0.007 ppt4 ppt from 2029Above the federal limit that takes effect in 20291.5x the 4 ppt federal limit that takes effect in 2029Not a violation yet: EPA's 4 ppt limit is final, but water systems don't have to meet it until 2029.
PFOS (a PFAS)single sample · listed as a violation in the report · printed as .004 ppb · Wells · 2025 report, page 34 ppt1 ppt4 ppt from 2029Above the health goal4x the health goal
Tetrachloroethylene (PCE)single sample · listed as a violation in the report · Wells · 2025 report, page 20.68 ppb0.06 ppb5 ppbAbove the health goal11x the health goal
Bariumhighest measured · listed as a violation in the report · Wells · 2025 report, page 20.06 ppm2 ppm2 ppmBelow the health goal
Chlorinehighest running annual average · range 0.86 to 1.37 · listed as a violation in the report · Distribution system · 2025 report, page 21.1 ppmNone set4 ppmBelow the legal limit
Chromium (total)highest measured · range 1.18 to 2.03 · listed as a violation in the report · Wells · 2025 report, page 22.03 ppbNone set100 ppbBelow the legal limit
Copper90th percentile of homes tested, 0 over the action level · listed as a violation in the report · sampled 2024 · Customer taps · 2025 report, page 2Not detected0.3 ppm1.3 ppm (action level)Not detected
Disinfection byproducts (HAA5)highest measured · range 1.81 to 6.07 · listed as a violation in the report · Distribution system · 2025 report, page 26.07 ppbNone set60 ppbBelow the legal limit
Disinfection byproducts (TTHM)highest measured · range 3.29 to 4.68 · listed as a violation in the report · Distribution system · 2025 report, page 24.68 ppbNone set80 ppbBelow the legal limit
Fluoridehighest measured · range 0.78 to 0.82 · listed as a violation in the report · Wells · 2025 report, page 20.82 ppm1 ppm4 ppmBelow the health goal
Lead90th percentile of homes tested, 0 over the action level · listed as a violation in the report · sampled 2024 · Customer taps · 2025 report, page 2Not detected0.2 ppb15 ppb (action level)Not detected
Nitrate (as N)highest measured · range 0.64 to 3.24 · listed as a violation in the report · Wells · 2025 report, page 23.24 ppm10 ppm10 ppmBelow the health goal
PFHxS (a PFAS)highest measured · range 5 to 6 · listed as a violation in the report · printed as .006 ppb · Wells · 2025 report, page 36 pptNone set10 ppt from 2029Below the legal limit
PFBA (a PFAS)single sample · listed as a violation in the report · printed as .008 ppb · Wells · 2025 report, page 38 pptNone setNoneNo health limit
PFBS (a PFAS)highest measured · range 3 to 5 · listed as a violation in the report · printed as .005 ppb · Wells · 2025 report, page 35 pptNone setNoneNo health limit
PFHxA (a PFAS)highest measured · range 6 to 8 · listed as a violation in the report · printed as .008 ppb · Wells · 2025 report, page 38 pptNone setNoneNo health limit
Sodiumhighest measured · range 12.6 to 22.8 · listed as a violation in the report · Wells · 2025 report, page 222.8 ppmNone setNoneNo health limit

Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper.

EPA testing for PFAS and lithium

EPA’s own nationwide testing (UCMR 5) found these in University of Mississippi’s water between Feb 2025 and Sep 2025. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.

  • PFOA5.5 pptFound in 4 of 6 samples · highest resultAbove the federal limit that takes effect in 2029 (4 ppt)
  • PFOS4.2 pptFound in 1 of 6 samples · highest resultAbove the federal limit that takes effect in 2029 (4 ppt)
  • PFHxS5.6 pptFound in 2 of 6 samples · highest resultNo federal limit in force for this one
  • PFBS5.2 pptFound in 4 of 6 samples · highest resultNo federal limit in force for this one

Source: EPA UCMR 5 occurrence data. The highest single result is shown; one high sample doesn’t mean every glass is that high.

What you can do

Nothing here is an emergency notice: if the district has a violation, it must tell customers directly. If you’d like to lower these at your tap, these are the treatments that remove them, and the catalog shows the models certified for each. Ranking is by certified removal; commissions never change the order.

PFAS ("forever chemicals")

Found: PFOA (a PFAS), PFOS (a PFAS), PFOA (EPA testing), PFOS (EPA testing)

What removes it: Reverse osmosis.

See filters that remove itWhat water filter removes PFAS?

Industrial chemicals and pesticides

Found: Tetrachloroethylene (PCE)

What removes it: Carbon block or RO.

See filters that remove it

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