NC · about 28 min from Charlotte

Water Treatment in Gaston County, NC

Public water, private wells and what local data shows, for the 12 Gaston County communities we serve.

Largest public system

Two Rivers Utilities (City of Gastonia): Disinfectant: Free chlorine; Two Rivers Utilities (City of Gastonia), 2025
Two Rivers Utilities (City of Gastonia): TTHM (disinfection byproducts): 60.8 ppb; Highest running annual average (2025); federal limit 80 ppb.; Two Rivers Utilities (City of Gastonia), 2025
Two Rivers Utilities (City of Gastonia): HAA5 (disinfection byproducts): 39.3 ppb; Highest running annual average (2025); federal limit 60 ppb.; Two Rivers Utilities (City of Gastonia), 2025
Two Rivers Utilities (City of Gastonia): Lead (at sampled homes' taps): Not detected; Not detected (2023); 0 sampled homes above the action level. The federal action level is 15 ppb.; Two Rivers Utilities (City of Gastonia), 2025

What this means for your home

11 public water systems serve the towns we cover in Gaston County. The largest, Two Rivers Utilities (City of Gastonia), publishes the figures above.
State testing of private wells in Gaston County found the results below. They describe the wells that were tested, not every well, which is why we start every well with its own certified-lab test.
1 of the communities we list in Gaston County have no public water system mapped at their center, so many homes there likely use private wells.

Private wells in Gaston County

From state testing of private wells. These figures describe the wells that were tested, not every well, so your own certified-lab test is what decides treatment.

Gaston County Environmental Health states that there are more than 8,000 households in Gaston County using groundwater from private wells. Gaston County, NC, 2026

Private-well test results in Gaston County
Contaminant	Share of tested wells above the standard	Wells tested	Standard	Source
Arsenic	2.79%	2,764	10 µg/L	UNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Lead	2.03%	2,763	15 µg/L	UNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Copper	0.3%	1,672	1,300 µg/L	UNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Nitrate	1.6%	812	10,000 µg/L (10 mg/L)	UNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Iron	24.36%	1,687	2,500 µg/L	UNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019
Manganese	18.22%	2,782	300 µg/L	UNC-Chapel Hill Superfund Research Program (NC DHHS private well test data), 2022Oct 1998–May 2019

How we approach well water

Recommended across Gaston County

Based on the data above. Your own test results always come first.

Well water treatmentLab test first, then treatment matched to results.City water filtrationCarbon and reverse osmosis for treated city water.Water testingCertified-lab panels and what they measure.

Public water systems in Gaston County

Systems serving the communities we list. Your water bill names yours.

Two Rivers Utilities1 community · water quality report
City of Mount Holly1 community · water quality report
City of Belmont1 community · water quality report
City of Cherryville1 community · water quality report
Town of Dallas1 community
City of Bessemer City1 community
Town of Ranlo1 community
Town of Stanley1 community
City of Lowell1 community
Town of Mcadenville1 community
City of High Shoals1 community

Communities we serve in Gaston County

Within 45 minutes

45 to 90 minutes

How it works

Step 1
Test
We read your utility's report with you, and run a certified-lab test when your home calls for one.
Step 2
Design
You get a written recommendation and quote for only what the data supports.
Step 3
Licensed install
An independent licensed plumber installs under a separate agreement with you.
Step 4
Retest
We confirm the system is doing what it's certified to do.

Gaston County at a glance

Population: 246,558; July 2025 estimate · U.S. Census Bureau, 2025
Households: 93,576; U.S. Census Bureau (via Census Reporter), 2024
Owner-occupied homes: 66.8%; U.S. Census Bureau (via Census Reporter), 2024
Median home value: $266,000; U.S. Census Bureau (via Census Reporter), 2024
Homes built before 1980: 47.3%; U.S. Census Bureau (via Census Reporter), 2024

Gaston County water questions

Who supplies water in Gaston County?

Several systems do, depending on where you live. The towns we cover are served by Two Rivers Utilities, City of Mount Holly, City of Belmont, City of Cherryville and others. Your water bill names your system.

What do private-well tests in Gaston County show?

2.79% of 2,764 private wells tested (77 wells) were above the 10 µg/L EPA drinking water standard (MCL) for arsenic. 2.03% of 2,763 private wells tested (56 wells) were above the 15 µg/L EPA action level for lead. These describe tested wells, not every well in the county.

Are homes in Gaston County old enough to worry about lead?

About 47.3% of homes in Gaston County were built before 1980, by Census estimates. EPA notes homes built before 1986 are more likely to have lead in their plumbing; a certified-lab test at the tap answers it for your home.

Which towns in Gaston County do you serve?

12 communities, from Gastonia, Mount Holly, Belmont outward. The county's population center is about 28 minutes from our Charlotte base.

Nearby counties

Every county and town we serve Look up your water by ZIP

Get an honest answer about Gaston County water.

Tell us about your home and water source. We'll recommend testing first, and only the equipment your results support.

Get my quote (980) 320-2475