Slater Tap Water Quality Report
Slater's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.
1 other system serving parts of Slater reports results above guidelines โ check which system bills you. SALINE COUNTY PWSD 2 (3 above guidelines)
People Served
1,856
Health-based violations since 2020
1
SLATER PWS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Dec 2020 ยท SLATER PWS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Slater Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Slater's water has 4 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Slater's water.
SLATER PWS, Slater's water system, serves 1,856 people. 1 other system also serves parts of Slater. Each system's results are listed under its own name, never added to SLATER PWS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for SLATER 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
Slater Water Service Areas

What these numbers actually mean for Slater, MO
We read Slater, 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.
- 4 contaminants above EPA MCLGs and 1 health-based EPA violation that began after the latest compliance result on file
- 100 results on file
- No PFAS results on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Slater's water
SLATER PWS
PWSID MO2010745
SLATER PWS reported 0.87 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
SALINE COUNTY PWSD 2
PWSID MO2024556
No fluoride level in our data for SALINE COUNTY PWSD 2. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Slater
Based on Slater's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)

AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium

Waterdrop
G3 P600
NSF Certified:
Flow Rate
600 gpm
Daily Production
600 gpd
Highlights:
- Space-saving design
- Good contaminant reduction
- NSF-58 certified
Removes 4 contaminants:

Waterdrop
G3 P800
NSF Certified:
Flow Rate
800 gpm
Daily Production
800 gpd
Highlights:
- High water production rate
- Modern design
- No tank needed
- NSF-42, NSF-53, NSF-58, NSF-372 certified
Removes 15 contaminants:
+10 more
Chlorine, Copper, Manganese, Potassium, Selenium, Total Dissolved Solids, Nitrate, Chloride, Sodium, Strontium
Verify Your Water Quality with Independent Testing
With 4 contaminants above EPA MCLGs and 1 health-based EPA violation that began after the latest compliance result on file, independent laboratory testing provides a second opinion and can track changes over time.

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

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 4 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Slater's water readings can explain
Utility-reported data for Slater includes iron and sulfate โ the readings behind these common tap water questions. We publish a city-level hardness figure for Slater, 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 Slater? Public-water results do not apply to private wells. See Saline County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Slater
Slater's tap water measures 4.5 grains per gallon (76.6 mg/L) โ moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 4.5 gpg water in Slater 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 Slater Tap Water
Slater's water has 4 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Slater's water. EPA records a health-based violation for SLATER PWS that began after its latest compliance result on file (Dec 2020): Maximum Contaminant Level Violation, E. coli (RTCR) (Revised Total Coliform Rule), which began on September 1, 2025. Every such result predates it, so none can show the water met the standard since, and this page does not call the water safe.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach SLATER PWS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact SLATER PWS directly.
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