Is Warson Woods, MO tap water safe?
The short answer
Neither of the 2 utilities serving Warson Woods has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records.
Kirkwood PWS, which serves the most people here, has 1 result above EPA’s health benchmark. The worst: Lithium at 47.9 ppb, above EPA’s health benchmark. A health benchmark is a level EPA screens with, not a legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Warson Woods’s ZIP codes, from EPA’s estimates.
- Open report
Kirkwood PWS
Missouri · serves 28,000 people · about 1,100 in Warson Woods
1 result above EPA’s health benchmark. The worst: Lithium at 47.9 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
MO American St Louis St Charles Counties
Missouri · serves 1.1 million people · about 490 in Warson Woods
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 86.8 ppb, above EPA’s health benchmark.
No health-based violations since 2016
Water testing near Warson Woods
The 3 labs Missouri certifies closest to Warson Woods, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
EMSL Analytical Inc.-St. Louis
St. Louis, MO · about 5 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
City of St. Louis-Howard Bend Laboratory
Chesterfield, MO · about 8 miles
Certified for bacteria, nitrate, minerals and other inorganics, organic chemicals
Missouri American Water Co.-St. Louis County
Chesterfield, MO · about 8 miles
Certified for bacteria
Missouri State Public Health Laboratory: Coliform and E. coli testing for private wells and other private drinking water sources, in kits from your local public health agency. A free state courier can carry the sample to the lab overnight. The handling fee is $10, by check or money order. Private Drinking Water Bacteriological Testing, Missouri Department of Health and Senior Services.
All 64 certified labs for MissouriZIP codes in Warson Woods
Which ZIP codes are in Warson Woods: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Missouri DNR, certified microbiological and chemical laboratories; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Warson Woods
Other towns in St. Louis County with a page of their own.
What to do next
- Read Kirkwood PWS’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water