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Moses Lake Tap Water Quality Report
Moses Lake's water has 2 contaminants above EPA's legal limit (MCL, enforceable from April 26, 2029). Consider using a certified water filter for additional protection.
Other systems listed for Moses Lake with results above guidelines: MARINE VIEW HOME OWNERS ASSN (2 above guidelines), SUNRISE WATER ASSOCIATION (1 above guidelines)
People Served
32,428
Health-based violations since 2020
0
MOSES LAKE CITY OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jan 2025 · MOSES LAKE CITY OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Moses Lake 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. Moses Lake's water has 2 contaminants above EPA's legal limit (MCL, enforceable from April 26, 2029).
MOSES LAKE CITY OF, Moses Lake's water system, serves 32,428 people. 3 other systems are listed for Moses Lake. Each system's results are listed under its own name, never added to MOSES LAKE CITY OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for MOSES LAKE CITY OF is from Jan 2025.
In EPA's 2023–2026 UCMR 5 testing, MOSES LAKE CITY OF measured lithium at up to 35.6 µg/L, which EPA counts as above its health reference level of 10 µg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Washington
Moses Lake Water Service Areas
What these numbers actually mean for Moses Lake, WA
We read Moses Lake, WA’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 2 contaminants above EPA's legal limit (MCL, enforceable from April 26, 2029)
- 23 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Moses Lake's water
MOSES LAKE CITY OF
PWSID WA5356300
No fluoride level in our data for MOSES LAKE CITY OF. Your utility's annual water quality report (CCR) lists it.
SUNRISE WATER ASSOCIATION
PWSID WA5316177
No fluoride level in our data for SUNRISE WATER ASSOCIATION. Your utility's annual water quality report (CCR) lists it.
MARINE VIEW HOME OWNERS ASSN
PWSID WA5351724
No fluoride level in our data for MARINE VIEW HOME OWNERS ASSN. Your utility's annual water quality report (CCR) lists it.
SUN DESERT INC
PWSID WA5319936
SUN DESERT INC reported 0.63 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
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Recommended Water Filters for Moses Lake
Based on Moses Lake's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA's health goals (MCLGs) or legal limits (MCL).
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
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 “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
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
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
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
What Moses Lake's water readings can explain
We publish a city-level hardness figure for Moses Lake, 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 Moses Lake? Public-water results do not apply to private wells. See Grant County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Moses Lake
Moses Lake's tap water has an estimated 9.8 grains per gallon (168.0 mg/L, county sampling in Grant County) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 9.8 gpg water in Moses Lake — 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 — equipment, installation labour and ten-year ownership, each separated out. For Washington as a whole, read water softener cost in Washington — priced against the plumber wage published for the state.
Frequently Asked Questions About Moses Lake Tap Water
Moses Lake's water has 2 contaminants above EPA's legal limit (MCL, enforceable from April 26, 2029). 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 MOSES LAKE CITY OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact MOSES LAKE CITY OF directly.
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