Lake Elmo Tap Water Quality Report
Lake Elmo's water has 1 contaminant above EPA MCLGs and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029). Consider using a certified water filter for additional protection.
Water system
Lake Elmo
People Served
8,122
Health-based violations since 2020
0
Lake Elmo. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jun 2024 ยท Lake Elmo
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Lake Elmo 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. Lake Elmo's water has 1 contaminant above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029).
Lake Elmo, Lake Elmo's water system, serves 8,122 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for Lake Elmo is from Jun 2024.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Minnesota
Lake Elmo Water Service Areas

What these numbers actually mean for Lake Elmo, MN
We read Lake Elmo, MNโs 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.
- 1 contaminant above EPA MCLGs and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) and 6 contaminants with an EPA health goal detected in some samples (no level on file)
- 162 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Lake Elmo's water
Lake Elmo
PWSID MN1820009
Lake Elmo reported 0.78 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.
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
Recommended Water Filters for Lake Elmo
Based on Lake Elmo'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 โnormalโ 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
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.

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.
What Lake Elmo's water readings can explain
Utility-reported data for Lake Elmo includes sulfate โ the readings behind these common tap water questions. We publish a city-level hardness figure for Lake Elmo, 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 Lake Elmo? Public-water results do not apply to private wells. See Washington County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Lake Elmo
Lake Elmo's tap water measures 14.6 grains per gallon (249.0 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 14.6 gpg water in Lake Elmo 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 Minnesota as a whole, read water softener cost in Minnesota โ priced against the plumber wage published for the state.
Frequently Asked Questions About Lake Elmo Tap Water
Lake Elmo's water has 1 contaminant above EPA MCLGs and 1 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 Lake Elmo. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Lake Elmo directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.