Piedmont Triad Regional Water Authority

Committed to Providing Clean, Safe Water for All Our Residents

Marina opening day is March 4 at 8 a.m. for the season.

Laboratory Services

Listed below, you will find our current 2025 rates. If you do not find the information you need, please contact our office and we will provide it to you. 


PTRWA Laboratory Analysis (in house)Price Per Test
P/A Coliform (Bacteriological)$30.00
Nitrate$35.00
Nitrite$40.00
Lead$20.00
Full Metals Analysis – Aluminum, Iron, Manganese, Copper, Zinc, Lead$60.00
Compliance Lead and Copper$50.00
WQP$40.00
Quantitative E. Coli$40.00
HPC$40.00
Rush Fee (per sample, per parameter)$20.00
Digestion Fee (per sample >1 NTU Turbidity)$20.00
Outsourced SamplesPrice Per Test
THM/HAA$235.00
Inorganics$410.00
Secondaries – Iron, Manganese, Sulfate$235.00
VOC$175.00
SOC$720.00
SOC (525) Phase II & V$385.00
Full Radionuclides$635.00
Radionuclides – Radium 226 & 228$375.00
Uranium$135.00
Gross Alpha$215.00
Inorganics, SOC’s & VOC’s (all at the same time)$1150.00

Note: For PTRWA staff to conduct water sample collections, there is a charge of $20 plus $1 per mile (round trip) for this service.

Related Documents

Homeowner Well Testing Guide
Coliform Bacteria Fact Sheet
Proper Bac-T Collection Instructions
Chain of Custody
Bacteriological Analysis Form
Lead and Copper Form
Nitrate and Nitrite Form

External Links and Resources

Drinking Water Branch

NC Department of Environmental Quality – Water Resources

NC Rural Water Association (NCRWA)

US EPA PFAS Information