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Lodi Tap Water Quality Report
Lodi's water record shows 3 contaminants above EPA MCLGs, 4 contaminants with an EPA health goal detected in some samples (no level on file) and an EPA lead 90th percentile above the 15 ppb action level. We recommend using a certified water filter.
1 other system serving parts of Lodi reports results above guidelines — check which system bills you. CRYSTAL LAKE RV RESORT LLC (3 above guidelines)
People Served
3,146
Health-based violations since 2020
0
LODI WATERWORKS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jul 2025 · LODI WATERWORKS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Lodi Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Lodi's water record shows 3 contaminants above EPA MCLGs, 4 contaminants with an EPA health goal detected in some samples (no level on file) and an EPA lead 90th percentile above the 15 ppb action level. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Lodi's water.
LODI WATERWORKS, Lodi's water system, serves 3,146 people. 2 other systems also serve parts of Lodi. Each system's results are listed under its own name, never added to LODI WATERWORKS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LODI WATERWORKS is from Jul 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Wisconsin
Lodi Water Service Areas
What these numbers actually mean for Lodi, WI
We read Lodi, WI’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.
- 3 contaminants above EPA MCLGs, 4 contaminants with an EPA health goal detected in some samples (no level on file) and an EPA lead 90th percentile above the 15 ppb action level
- 96 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Lodi's water
LODI WATERWORKS
PWSID WI1110100
LODI WATERWORKS reported 0.76 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.
CRYSTAL LAKE RV RESORT LLC
PWSID WI1110066
CRYSTAL LAKE RV RESORT LLC reported no detectable fluoride.
HARMONY MOBILE MANOR
PWSID WI1110065
No fluoride level in our data for HARMONY MOBILE MANOR. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Lodi
Based on Lodi's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs and to reduce lead (its water system's EPA lead 90th percentile is above the 15 ppb action level).
Solventum Purification Inc.
3MRO401
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity
Solventum Purification Inc.
3MRO301
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity
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
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
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs, 4 contaminants with an EPA health goal detected in some samples (no level on file) and an EPA lead 90th percentile above the 15 ppb action level, 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
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.
With 3 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 Lodi's water readings can explain
Utility-reported data for Lodi includes sulfate — the readings behind these common tap water questions. We publish a city-level hardness figure for Lodi, 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 Lodi? Public-water results do not apply to private wells. See Columbia County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Lodi
Lodi's tap water measures 17.7 grains per gallon (303.0 mg/L) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 17.7 gpg water in Lodi — 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 Wisconsin as a whole, read water softener cost in Wisconsin — priced against the plumber wage published for the state.
Frequently Asked Questions About Lodi Tap Water
Lodi's water record shows 3 contaminants above EPA MCLGs, 4 contaminants with an EPA health goal detected in some samples (no level on file) and an EPA lead 90th percentile above the 15 ppb action level. 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 Lodi's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach LODI WATERWORKS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact LODI WATERWORKS directly.
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