Water Quality Assessment & Confidence

We are pleased to present to you this year’s Annual Water Quality Report. This report is a snapshot of last year’s water quality. Included in this report are details about where your water comes from, what it contains and how it compares to standards set by regulatory agencies. Our constant goal is to provide you with a safe and dependable supply of drinking water. We want you to understand the efforts we make to improve the water treatment process and protect your water resources. We are committed to ensuring the quality of your water and to providing you with this information because informed customers are our best allies.

Please view our complete Annual Water Quality Report- click

Unregulated Contaminants

Two Rivers Utilities did not test for Cryptosporidium during the past year. The City of Gastonia has tested for Radon and none is present in our drinking water.

Additional Contaminants Monitored

Two Rivers Utilities monitored an additional 97 contaminants that were all below detection limits. The City of Gastonia conducts over 27,000,000 tests and reading son our drinking water per year. This testing helps us ensure that our water is of the highest quality possible and meets our exceptional standards.

Source Water Assessment Program (SWAP) Results

The North Carolina Department of Environment and Natural Resources (DENR), Public Water Supply (PWS) Section and SWAP conducted assessments for all drinking water sources across North Carolina. The purpose of the assessment was to determine the susceptibility of each drinking water source (well or surface water intake) to Potential Contaminant Sources (PCSs). The results of the assessment are available in SWAP Assessment Reports that include maps, background information and a relative susceptibility rating of High, Moderate or Lower. The relative susceptibility rating of the source for Two Rivers Utilities is determined by combining the contaminant rating (number and location of PCSs within the assessment area) and the inherent vulnerability rating (i.e., characteristics or existing conditions of the well or watershed and its delineated assessment area). The assessment findings are below: 

The complete SWAP Assessment report for Two Rivers Utilities is on the Web: http://www.deh.enr.state.nc.us/pws/swap with the system name of Gastonia, City of. To obtain printed copy of this report, please email request to This e-mail address is being protected from spambots. You need JavaScript enabled to view it . or mail a written request:

Source Water Assessment Program—Report Request

1634 Mail Service Center

Raleigh, NC 27699-1634

Please indicate your system name, PWSID and provide:

• Name
• Mailing address
• Phone number

If you have, any questions about the SWAP report please contact the Source Water Assessment staff by phone at 919-715-2633.

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More Facts EPA Wants You to Know

The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs and wells. As water travels over the surface of the land or through the ground, it dissolves naturally occurring minerals and in some cases, radioactive material and can pick up substances resulting from the presence of animals or from human activity.

Water Quality Data Tables

We routinely monitor for over 150 contaminants in your drinking water according to Federal and State laws. The following tables list all the drinking water contaminants that we detected in the last round of sampling for the particular contaminant group. The presence of contaminants does not necessarily indicate that water poses a health risk.

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***Our Water Source: The City of Gastonia is supplied by surface water from Mountain Island Lake. The Samuel L. Wilkins Raw Water Pumping Facility is located off Highway 273 on Mountain Island Lake, in northeastern Gaston County near Mt. Holly, N.C.