Is LaBarque Creek, MO tap water safe?
The short answer
2 of the 11 utilities serving LaBarque Creek have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Weber Hill MHP and Circle C MHP.
Jefferson County PWSD 6, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 60 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
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 LaBarque Creek’s ZIP codes, from EPA’s estimates.
- Open report
Jefferson County PWSD 6
Missouri · serves 7,500 people · about 1,100 in LaBarque Creek
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 60 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Franklin County PWSD 3
Missouri · serves 8,250 people · about 660 in LaBarque Creek
1 result above the health goal. The worst: Lead at 1.9 ppb, above the health goal.
No health-based violations since 2016
- Open report
Pacific PWS
Missouri · serves 6,000 people · about 540 in LaBarque Creek
1 result above the health goal. The worst: Lead at 10 ppb, above the health goal.
No health-based violations since 2016
- Open report
Jefferson Co PWSD 8
Missouri · serves 4,733 people · about 480 in LaBarque Creek
1 result above the health goal. The worst: Lead at 2.5 ppb, above the health goal.
No health-based violations since 2016
- Open report
MO American St Louis St Charles Counties
Missouri · serves 1.1 million people · about 350 in LaBarque Creek
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
- Open report
Jefferson Co Cons PWSD C 1
Missouri · serves 37,000 people · about 170 in LaBarque Creek
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Mirasol Subdivision
Missouri · serves 2,012 people · about 110 in LaBarque Creek
1 result above the health goal. The worst: Lead at 1.9 ppb, above the health goal.
No health-based violations since 2016
- Open report
Weber Hill MHP
Missouri · serves 80 people · under 100 in LaBarque Creek
1 result above the health goal. The worst: Lead at 0.54 ppb, above the health goal.
3 health-based violations since 2016
- Open report
Lakewood Hills Subd
Missouri · serves 400 people · under 100 in LaBarque Creek
1 result above the health goal. The worst: Lead at 2.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Jefferson County PWSD 2
Missouri · serves 16,548 people · under 100 in LaBarque Creek
Nothing in its records is above a health goal.
No health-based violations since 2016
1 more utility in LaBarque Creek
By EPA’s estimate, each serves fewer people in LaBarque Creek than those above.
- Circle C MHPserves 75 people · under 100 in LaBarque Creek · 1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Jefferson County PWSD 6’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Lead, Arsenic
Water testing near LaBarque Creek
The 3 labs Missouri certifies closest to LaBarque Creek, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services LLC-Hazelwood
Hazelwood, MO · about 11 miles
Certified for bacteria
Eastern Missouri Water Lab
Lonedell, MO · about 16 miles
Certified for bacteria
City of St. Louis-Howard Bend Laboratory
Chesterfield, MO · about 17 miles
Certified for bacteria, nitrate, minerals and other inorganics, organic chemicals
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 MissouriWhich ZIP codes are in LaBarque Creek: 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 LaBarque Creek
Other towns in Franklin County with a page of their own.
What to do next
- Read Jefferson County PWSD 6’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