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Sour Lake Tap Water Quality Report
Sour Lake's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
SOUR LAKE WATER SYSTEM
People Served
1,854
Health-based violations since 2020
0
SOUR LAKE WATER SYSTEM. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Is Sour 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. Sour Lake's water has 2 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
SOUR LAKE WATER SYSTEM, Sour Lake's water system, serves 1,854 people. Water quality testing is conducted regularly and reported to the EPA.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Texas
What these numbers actually mean for Sour Lake, Texas
We read Sour Lake, Texas’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 MCLGs
- 6 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Sour Lake's water
SOUR LAKE WATER SYSTEM
PWSID TX1000003
SOUR LAKE WATER SYSTEM reported 1.71 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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Recommended Water Filters for Sour Lake
Based on Sour Lake's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
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
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:
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 Sour Lake's water readings can explain
We publish a city-level hardness figure for Sour 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 Sour Lake? Public-water results do not apply to private wells. See Hardin County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Sour Lake
Sour Lake's tap water has an estimated 1.4 grains per gallon (23.0 mg/L, county sampling in Hardin County) — soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 1.4 gpg water in Sour 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 Texas as a whole, read water softener cost in Texas — priced against the plumber wage published for the state.
Frequently Asked Questions About Sour Lake Tap Water
Sour Lake's water has 2 contaminants above EPA MCLGs. While the water meets federal legal limits, 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 SOUR LAKE WATER SYSTEM. For a problem with your water now (discolored water, no water, low pressure, a leak), contact SOUR LAKE WATER SYSTEM directly.
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