Tahlequah Tap Water Quality Report
Tahlequah's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.
Other systems listed for Tahlequah with results above guidelines: CHEROKEE CO. RWD #3 (GRANDVIEW) (4 above guidelines), STICKROSS MOUNTAIN WATER CO (2 above guidelines)
People Served
14,458
Health-based violations since 2020
2
TAHLEQUAH PWA. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jul 2022 · TAHLEQUAH PWA
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Tahlequah Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Tahlequah'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 Tahlequah's water.
TAHLEQUAH PWA, Tahlequah's water system, serves 14,458 people. 2 other systems are listed for Tahlequah. Each system's results are listed under its own name, never added to TAHLEQUAH PWA's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for TAHLEQUAH PWA is from Jul 2022.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Oklahoma
Tahlequah Water Service Areas
What these numbers actually mean for Tahlequah, OK
We read Tahlequah, OK’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.
- 4 contaminants above EPA MCLGs and 4 contaminants with an EPA health goal detected in some samples (no level on file)
- 81 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Tahlequah
Based on Tahlequah'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:
Verify Your Water Quality with Independent Testing
With 4 contaminants above EPA MCLGs and 4 contaminants with an EPA health goal detected in some samples (no level 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 Tahlequah's water readings can explain
Utility-reported data for Tahlequah includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Tahlequah, 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 Tahlequah? Public-water results do not apply to private wells. See Cherokee County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Tahlequah
Tahlequah's tap water has an estimated 5.6 grains per gallon (95.0 mg/L, county sampling in Cherokee County) — moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 5.6 gpg water in Tahlequah — 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 Oklahoma as a whole, read water softener cost in Oklahoma — priced against the plumber wage published for the state.
Frequently Asked Questions About Tahlequah Tap Water
Tahlequah'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 Tahlequah's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach TAHLEQUAH PWA. For a problem with your water now (discolored water, no water, low pressure, a leak), contact TAHLEQUAH PWA directly.
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