McNab Tap Water Quality Report
McNab's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
SOUTHWEST ARKANSAS WATER SYSTEM
People Served
2,335
Health-based violations since 2020
6
SOUTHWEST ARKANSAS WATER SYSTEM. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
May 2022 · SOUTHWEST ARKANSAS WATER SYSTEM
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is McNab 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. McNab's water has 3 contaminants above EPA health-based guidelines (MCLGs).
SOUTHWEST ARKANSAS WATER SYSTEM, McNab's water system, serves 2,335 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for SOUTHWEST ARKANSAS WATER SYSTEM is from May 2022.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Arkansas
McNab Water Service Areas
What these numbers actually mean for McNab, AR
We read McNab, AR’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 and 3 health-based EPA violations that began after the latest compliance result on file
- 12 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in McNab's water
SOUTHWEST ARKANSAS WATER SYSTEM
PWSID AR0000889
No fluoride level in our data for SOUTHWEST ARKANSAS WATER SYSTEM. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for McNab
Based on McNab's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
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
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs and 3 health-based EPA violations that began after the latest compliance result 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 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.
On a private well near McNab? Public-water results do not apply to private wells. See Hempstead County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About McNab Tap Water
McNab's water has 3 contaminants above EPA MCLGs. We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. EPA records 3 health-based violations for SOUTHWEST ARKANSAS WATER SYSTEM that began after its latest compliance result on file (May 2022): Maximum Contaminant Level Violation, Average (Total Haloacetic Acids (HAA5)), 3 violations, the first beginning on October 1, 2024 and the latest on April 1, 2025. Every such result predates them, so none can show the water met the standard since, and this page does not call the water safe.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach SOUTHWEST ARKANSAS WATER SYSTEM. For a problem with your water now (discolored water, no water, low pressure, a leak), contact SOUTHWEST ARKANSAS WATER SYSTEM directly.
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