Tap Water Results

Is Liberty, MO tap water safe?

Data: U.S. EPA · How we read the data · How we check it

Summary

No federal limits exceeded in EPA data for Liberty Public Water System.

4 public water systems serve parts of Liberty. The largest, Liberty Public Water System, serves 30,800 people. Your water bill names your system.

Largest system

Liberty Public Water System

30,800 people · Groundwater · EPA ID MO1010466

Buys treated water from Kansas City Public Water System.

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 4.61 ppb at the 90th percentile (Dec 2024, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Across Missouri, 6 of 227 water systems EPA tested had PFAS above a 2024 federal limit, and 3 systems were above the lead action level in results from the last five years. Missouri results.

Liberty homes and lead pipes

41%
of homes built before 1980 (Missouri 53%, US 50%)
9%
built before 1950 (Missouri 18%)
27%
of households rent (Missouri 32%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Liberty city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Liberty

  • Clay County Public Water Supply District 2
    3,485 people · Purchased surface water · Missouri · lists this city
    Not in EPA's PFAS sample
  • Clay County Public Water Supply District 5
    1,191 people · Purchased surface water · Missouri · lists this city
    Not in EPA's PFAS sample
  • Clay County Public Water Supply District 4
    1,032 people · Purchased groundwater · Missouri · lists this city
    Not in EPA's PFAS sample

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Gladstone 8 mi
Gladstone Public Water System
Gladstone Public Water SystemNone above limits4.3 ppb
Kansas City 11 mi
Kansas City Public Water System
Kansas City Public Water SystemNone above limits2.08 ppb
Independence 11 mi
Independence Public Water System
Independence Public Water SystemNone above limits1.1 ppb
Raytown 17 mi
Raytown Water Company
Raytown Water CompanyNone above limits0 ppb
Blue Springs 18 mi
Blue Springs Public Water System
Blue Springs Public Water SystemNone above limits2.81 ppb
Lee's Summit 22 mi
Lees Summit Public Water System
Lees Summit Public Water SystemNone above limits0 ppb
Liberty ZIP codes (1)
  • 64068

Questions

Is Liberty tap water safe to drink?

Liberty Public Water System has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Liberty, MO?

4 public water systems serve parts of Liberty. The largest is Liberty Public Water System (30,800 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Liberty tap water have PFAS?

None detected above EPA's reporting limits. Liberty Public Water System had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do Liberty homes have lead pipes?

Census estimates put 41% of Liberty homes as built before 1980 (Missouri: 53%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Liberty Public Water System's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.