NC0020834_Supplemental DMR Info Attachment_20221230

Annual Monitoring and Pollutant Scan
Permit No. NCO020834 Month MARCH
Outfall 1 Year 2022
Facility Name Town of Warrenton WWTP ORC William R. Perkinson
Date of sampling 03/17/22 Phone [phone]
Analytical Laboratory MERITECH, INC.
Sample Analytical Quantitation Sample Units of Number of
'ammeter Type Method Level. Result Measurement samples
Ammonia (as N) Composite EPA 350.1 0.1 0 mg/L 1
Dissolved oxygen Grab SM4500-0-G 1.0 9.75 mg/L 1
Nitrate/Nitrite Composite EPA 353.2 0.10 19.7 mg/L 1
Total Kjeldahl nitrogen Composite EPA 351.1 0.20 0 mg/L 1
Total Phosphorus Composite EPA 200.7 0.020 0.967 mg/L 1
Total dissolved solids Composite SM 2540 C 10.0 238 mg/L 1
Hardness Composite SM 2340 C . 1 80 mg/L 1
Chlorine (total residual, TRC) Grab SM 4500 CI 0.1 0 mg/L 1
Oil and grease Grab EPA 1664 BI 5 1 0 mg/L 1
Metals (total recoverable), cyanide and total phenols
Antimony Composite EPA 200.7 0.025 0 mg/L 1
Arsenic Composite EPA 200.7 0.010 0 mg/L 1
Beryllium Composite EPA 200.7 0.005 0 mg/L 1
Cadmium Composite EPA 200.7 0.002 0 mg/L 1
Chromium Composite EPA 200.7 0.005 0 mg/L 1
Copper Composite EPA 200.7 0.002 0.013 mg/L 1
Lead Composite EPA 200.7 0.010 0 mg/L 1
Mercury Composite EPA 1631 1 7.55 ng/L 1
Nickel Composite EPA 200.7 0.010 0 mg/L 1
Selenium Composite EPA 200.7 0.010 0 mg/L 1
Silver Composite EPA 200.7 0.005 0 mg/L 1
Thallium Composite EPA 200.7 0.020 0 mg/L 1
Zinc Composite EPA 200.7 0.010 0.042 mg/L 1
Cyanide Grab EPA 335.4 0.005 0 mg/L 1
Total phenolic compounds Grab EPA 420.1 0.010 0.014 mg/L 1
Volatile organic compounds
Acrolein Grab EPA 624.1 50 0 ug/L 1
Acrylonitrile Grab EPA 624.1 10 0 ug/L 1
Benzene Grab EPA 624.1 1.00 0 ug/L 1
Bromoform Grab EPA 624.1 1.00 0 ug/L 1
Carbon tetrachloride Grab EPA 624.1 1.00 0 ug/L 1
Chlorobenzene Grab EPA 624.1 1.00 0 ug/L 1
Chlorodibromomethane Grab EPA 624.1 1.00 0 ug/L 1
Chloroethane Grab EPA 624.1 5.00 0 ug/L 1
2-chloroethylvinyl ether Grab EPA 624.1 5.00 0 ug/L 1
Chloroform Grab EPA 624.1 1.00 7.85 ug/L 1
Dichlorobromomethane Grab EPA 624.1 1.00 2.38 ug/L 1
1,1-dichloroethane Grab EPA 624.1 1.00 0 ug/L 1
1,2-dichloroethane Grab I EPA 624.1 1.00 1 0 ug/L 1
Trans-1,2-dichloroethylene Grab I EPA 624.1 1.00 1 0 �-ug/L 1
Form - DMR- PPA-1 Page 1

Annual Monitoring and Pollutant Scan
Permit No. NC0020834 Month MARCH
Outfall 1 Year 2022
Sample Analytical Quantitation Sample Units of Number of
Parameter Type Method Level Result Measurement samples
Volatile organic compounds (Cant.)
1,1-dichloroethylene Grab EPA 624.1 1.00 0 ug/L 1
1,2-dichloropropane Grab EPA 624.1 1.00 0 ug/L 1
1,3-dichloropropylene Grab EPA 624.1 1.00 0 ug/L 1
Ethylbenzene Grab EPA 624.1 1.00 0 ug/L 1
Methyl bromide Grab EPA 624.1 5.00 0 ug/L 1
Methyl chloride Grab EPA 624.1 5.00 0 ug/L 1
Methylene chloride Grab EPA 624.1 1.00 0 ug/L 1
1,1,2,2-tetrachloroethane Grab EPA 624.1 1.00 0 ug/L 1
Tetrachloroethylene Grab EPA 624.1 1.00 0 ug/L 1
Toluene Grab EPA 624.1 1.00 0 ug/L 1
1,1,1-trichloroethane Grab EPA 624.1 1.00 0 ug/L 1
1,1,2-trichloroethane Grab EPA 624.1 1.00 0 ug/L 1
Trichloroethylene Grab EPA 624.1 1.00 0 ug/L 1
Vinyl chloride Grab EPA 624.1 5.00 0 ug/L 1
1€'y
P-chloro-m-creso Grab EPA 625.1 10 0 ug/L 1
2-chlorophenol Grab EPA 625.1 10 0 ug/L 1
2,4-dichlorophenol Grab EPA 625.1 10 0 ug/L 1
2,4-dimethylphenol Grab EPA 625.1 10 0 ug/L 1
4,6-dinitro-o-cresol Grab EPA 625.1 50 0 ug/L 1
2,4-dinitrophenol Grab EPA 625.1 10 0 ug/L 1
2-nitrophenol Grab EPA 625.1 10 0 ug/L 1
4-nitrophenol Grab EPA 625.1 50 0 ug/L 1
Pentachlorophenol Grab EPA 625.1 50 0 ug/L 1
Phenol Grab EPA 625.1 10 0 ug/L 1
2,4,6-trichlorophenol Grab EPA 625.1 10 0 ug/L 1
Acenaphthene Grab EPA 625.1 10 0 ug/L 1
Acenaphthylene Grab EPA 625.1 10 0 ug/L 1
Anthracene Grab EPA 625.1 10 0 ug/L 1
Benzidine Grab EPA 625.1 50 0 ug/L 1
Benzo(a)anthracene Grab EPA 625.1 10 0 ug/L 1
Benzo(a)pyrene Grab EPA 625.1 10 0 ug/L 1
3,4 benzofluoranthene Grab EPA 625.1 10 0 ug/L 1
Benzo(ghi)perylene Grab EPA 625.1 10 0 ug/L 1
Benzo(k)fluoranthene Grab EPA 625.1 10 0 ug/L 1
Bis (2-chloroethoxy) methane Grab EPA 625.1 10 0 ug/L 1
Bis (2-chloroethyl) ether Grab EPA 625.1 10 0 ug/L 1
Bis (2-chloroisopropyl) ether Grab EPA 625.1 10 0 ug/L 1
Bis (2-ethylhexyl) phthalate Grab EPA 625.1 10 0 ug/L 1
4-bromophenyl phenyl ether Grab EPA 625.1 10 0 ug/L 1
P
utyl benzyl phthalate Grab EPA 625.1 10 0 ug/L 1
-chloronaphthalene Grab EPA 625.1 10 0 ug/L 1
Form - DMR- PPA-1 Page 2

Annual Monitoring and Pollutant Scan
Permit No. NC0020834 Month MARCH
Outfall 1 Year 2022
4-ct-,.lorophenyl phenyl ether Grab EPA 625.1 10 0 ug/L 1
-- Sample Antailptical Quantitation Sample, Units of Number of
Parameter Type Method Level Result Measurement samples
(lase-neutral compounds(cont«j
Chr\,sene Grab EPA 625.1 10 0 ug/L 1
Di-n-butyl phthalate Grab EPA 625.1 10 0 ug/L 1
Di-n-octyl phthalate Grab EPA 625.1 10 0 ug/L 1
Dibenzo(a,h)anthracene Grab EPA 625.1 10 0 ug/L 1
1,2-dichlorobenzene Grab EPA 625.1 10 0 ug/L 1
1,3-dichlorobenzene Grab EPA 625.1 10 0 ug/L 1
1,4-dichlorobenzene Grab EPA 625.1 10 0 ug/L 1
3,3-dichlorobenzidine Grab EPA 625.1 50 0 ug/L 1
Diethyl phthalate Grab EPA 625.1 10 0 ug/L 1
Dimethyl phthalate Grab EPA 625.1 10 0 ug/L 1
2,4-dinitrotoluene Grab EPA 625.1 10 0 ug/L 1
2,6-dinitrotoluene Grab EPA 625.1 10 0 ug/L 1
1,2-diphenylhydrazine Grab EPA 625.1 10 0 ug/L 1
Fluoranthene Grab EPA 625.1 10 0 ug/L 1
Fluorene Grab EPA 625.1 10 0 ug/L 1
Hexachlorobenzene Grab EPA 625.1 10 0 ug/L 1
Hexachlorobutadiene Grab EPA 625.1 10 0 ug/L 1
Hexachlorocyclo-pentadiene Grab EPA 625.1 50 0 ug/L 1
Hexachloroethane Grab EPA 625.1 10 0 ug/L 1
Indeno(1,2,3-cd)pyrene Grab EPA 625.1 10 0 ug/L 1
Isophorone Grab EPA 625.1 10 0 ug/L 1
Naphthalene Grab EPA 625.1 10 0 ug/L 1
Nitrobenzene Grab EPA 625.1 10 0 ug/L 1
N-nitrosodi-n-propylamine Grab EPA 625.1 10 0 ug/L 1
N-nitrosodimethylamine Grab EPA 625.1 10 0 ug/L 1
N-nitrosodiphenylamine Grab EPA 625.1 10 0 ug/L 1
Phenanthrene Grab EPA 625.1 10 0 ug/L 1
Pyrene Grab EPA 625.1 10 0 ug/L 1
1,2,4,-trichlorobenzene Grab EPA 625.1 10 0 ug/L 1
"I certify, under penalty of law,that this document and all attachments were prepared under my direction or supervision in accordance
with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of
the person or persons who managed the system,or those persons directly responsible for gathering the information,the information
submitted is,to the best of my knowledge and belief,true,accurate,and complete. I am aware that there are significant penalties for
submitting false information, including the possibility of fines and imprisonment for knowing violations."
Authorized Representativ name
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Signature
Date
Form - DMR- PPA-1 Page 3