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La Monte Tap Water Quality Report
La Monte's water record shows 6 contaminants with an EPA health goal detected in some samples (no level on file). Consider using a certified water filter for additional protection.
Water system
LA MONTE PWS
People Served
1,120
Health-based violations since 2020
0
LA MONTE PWS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Dec 2020 ยท LA MONTE PWS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is La Monte Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. La Monte's water record shows 6 contaminants with an EPA health goal detected in some samples (no level on file).
LA MONTE PWS, La Monte's water system, serves 1,120 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LA MONTE PWS is from Dec 2020.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Missouri
La Monte Water Service Areas

What these numbers actually mean for La Monte, MO
We read La Monte, MOโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 6 contaminants with an EPA health goal detected in some samples (no level on file)
- 141 results on file
- No PFAS results on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in La Monte's water
LA MONTE PWS
PWSID MO3010448
LA MONTE PWS reported 1.51 mg/L, at or above the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level and below the 2.0 mg/L EPA secondary standard.
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General-Purpose Water Filters for La Monte
La Monte's results show no result above EPA's health goals or legal limits, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.

Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity

Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
+17 more
Atrazine, Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Styrene, Tetrachloroethylene, Toxaphene, Trichloroethylene, Turbidity

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What La Monte's water readings can explain
Utility-reported data for La Monte includes iron, manganese and sulfate โ the readings behind these common tap water questions. We publish a city-level hardness figure for La Monte, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near La Monte? Public-water results do not apply to private wells. See Pettis County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in La Monte
La Monte's tap water measures 20.3 grains per gallon (346.9 mg/L) โ very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 20.3 gpg water in La Monte โ equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs โ equipment, installation labour and ten-year ownership, each separated out. For Missouri as a whole, read water softener cost in Missouri โ priced against the plumber wage published for the state.
Frequently Asked Questions About La Monte Tap Water
La Monte's water record shows 6 contaminants with an EPA health goal detected in some samples (no level on file). We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach LA MONTE PWS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact LA MONTE PWS directly.
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