Tap Water Results

Is Gladstone, 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 Gladstone Public Water System.

Gladstone Public Water System supplies Gladstone (27,000 people).

Water system

Gladstone Public Water System

27,000 people · Groundwater · EPA ID MO1010307

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: 4.3 ppb at the 90th percentile (Dec 2025, 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.

Gladstone homes and lead pipes

64%
of homes built before 1980 (Missouri 53%, US 50%)
3%
built before 1950 (Missouri 18%)
32%
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. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

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

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Kansas City 6 mi
Kansas City Public Water System
Kansas City Public Water SystemNone above limits2.08 ppb
Liberty 8 mi
Liberty Public Water System
Liberty Public Water SystemNone above limits4.61 ppb
Independence 14 mi
Independence Public Water System
Independence Public Water SystemNone above limits1.1 ppb
Raytown 16 mi
Raytown Water Company
Raytown Water CompanyNone above limits0 ppb
Blue Springs 21 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
Gladstone ZIP codes (1)
  • 64118

Questions

Is Gladstone tap water safe to drink?

Gladstone 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 Gladstone, MO?

Gladstone Public Water System, which serves 27,000 people.

Does Gladstone tap water have PFAS?

None detected above EPA's reporting limits. Gladstone 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 Gladstone homes have lead pipes?

Census estimates put 64% of Gladstone 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. Gladstone 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.