WI0700458_GW Sampling Results_20220831

DocuSign Envelope ID: 5237DFB6-B11 F-4AD4-B1 E0-49EE948901 E9
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Kevin Mayer
432 Mill Road
Washington, North Carolina 27889
NORTH CAROLINA
Environmental Quality
August 31, 2022
SUBJECT: Groundwater Sampling Results
UIC Permit No. WI0700458
Issued to Kevin and Denise Mayer
Washington, Beaufort County, North Carolina
Dear Mr. Mayer:
Staff from the Washington Regional Office of the Water Quality Regional Operations
Section collected samples of the influent (supply well) and effluent (injection well) from your
geothermal heat pump system on July 13, 2022. The samples were analyzed for metals, nutrients,
and other inorganic constituents by the Division of Water Resources laboratory. A summary table
of the analytical results, as well as the laboratory reports, field sampling forms, and definitions of
laboratory data qualifiers are attached to this letter. The following two constituents were detected
above state groundwater standards in both samples from your system:
Parameter
Units
NC Groundwater
Standard
Results
Iron
Micrograms per Liter
(ug/L)
300
2300 (supply well -influent)
2400 (injection well -effluent)
Manganese
Micrograms per Liter
(ug/L)
50
220 (supply well -influent)
220 (injection well -effluent)
NORTH CAROLINADEQ
N
oep.m.m orEMr nment oN.i�
North Carolina Department of Environmental Quality Division of Water Resources
Washington Regional Office - 943 Washington Square Mall - Washington, North Carolina, 27889
252-946-6481

DocuSign Envelope ID: 5237DFB6-B11 F-4AD4-B1 E0-49EE948901 E9
Kevin Mayer
August 31, 2022
Page 2 of 2
These exceedances should not affect the use of the wells for your geothermal heat pump
system; however, it is recommended before using the water from these wells for personal
consumption that you consult with the Beaufort County Health Department. If you have any
questions regarding the sampling results or your permit, please feel free to contact me at (252)
948-3849.
Sincerely,
Dwight Randy Sipe, P.G., Hydrogeologist
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ
Attachments
cc: Michael Rogers — DWR Groundwater Resources Section (electronic copy)
Laserfiche
DE
NORTH CAROLINA
gaparMeM of Environment,/quay
North Carolina Department of Environmental Quality Division of Water Resources
Washington Regional Office - 943 Washington Square Mall - Washington, North Carolina, 27889
252-946-6481