WI0700458_Lab Results_20220831

NC DIVISION OF WATER RESOURCES
LABORATORY ANALYTICAL RESULTS
GEOTHERMAL HEATING/COOLING RETURN WELL
PERMIT NO.: WI0700458
PERMITTEE(S): Kevin and Denise Mayer
SAMPLE COLLECTION DATE: 7/13/22
Parameter
Fecal Coliform
Total Coliform
Total Dissolved Solids
Chloride, CI
Fluoride, FL
Sulfate, SO4
units
CFU/100m1
CFU/100m1
mg/L
mg/L
mg/L
mg/L
NC MCL and/or EPA Standard
NC GWS = < 1
NC GWS = < 1
NC GWS = 500
NC GWS = 250
NC GWS = 2
NC GWS = 250
EPA SDWS = 500
EPA SDWS = 250
EPA PDWS = 4.0
EPA SDWS = 250
Influent Sample Results
<1
<1
309
5.4
<0.4
<2.0
Effluent Sample Results
<1
1
300
5.3
<0.4
<2.0
Parameter
Nitrate + Nitrite
Nitrite
Hardness as CaCO3
(by Calculation) *
Aluminum, Al
Arsenic, As
Calcium, Ca
units
mg/L as N
mg/L as N
mg/L as CaCO3
pg/L
pg/L
mg/L
NC MCL and/or EPA Standard
NC GWS = 11
NC GWS = 1
NS
NS
NC GWS = 10
NS
EPA PDWS = 11
EPA PDWS = 1
EPA SDWS = 50 to 200
EPA PDWS = 10
Influent Sample Results
<0.02
<0.01
219
56
<2.0
68
Effluent Sample Results
<0.02
<0.01
219
52
<2.0
68
Parameter
Chromium, Cr
Copper, Cu
Iron, Fe
Potassium, K
Magnesium, Mg
Manganese, Mn
units
pg/L
pg/L
pg/L
mg/L
mg/L
pg/L
NC MCL and/or EPA Standard
NC GWS = 10
NC GWS = 1000
NC GWS = 300
NS
NS
NC GWS = 50
EPA PDWS = 100
EPA SDWS = 1000; PDWS = 1300
EPA SDWS = 300
EPA SDWS = 50
Influent Sample Results
<5.0
26
2300
5.5
12
220
Effluent Sample Results
<5.0
13
2400
5.5
12
220
Parameter
Sodium, Na
Nickel, Ni
Lead, Pb
Zinc, Zn
pH (field)
units
mg/L
pg/L
pg/L
pg/L
units
NC MCL and/or EPA Standard
NS
NC GWS = 100
NC GWS = 15
NC GWS = 1000
NC GWS = 6.5-8.5
EPA PDWS = 15
EPA SDWS = 5000
EPA SDWS = 6.5 to 8.5
Influent Sample Results
13
<2.0
2.3
16
6.5
Effluent Sample Results
13
4
<2.0
<10
6.5
NC GWS = North Carolina Groundwater Standards per 15A NCAC 2L .0200
EPA PDWS = Environmental Protection Agency Primary Drinking Water Standards
EPA SDWS = Environmental Protection Agency Secondary Drinking Water Standards
NS = No Standard
* Calculation performed by WaRO