NC0003816_Compliance Report_20180628

.
,. ROY COOPER
Governor
MICHAEL S.REGAN
Secretary
Water Resources LINDA CULPEPPER
ENVIRONMENTAL QUALITY Interim Director
June 28, 2018 RECEIVED/DENR/DWR
George W Radford JUL 0 5 2018
US MCAS Cherry Point Water Resources
Psc Box 8006 Permitting Section
Cherry Point, NC 28533-0006
SUBJECT: Compliance Inspection Report
Cherry Point WWTP
NPDES WW Permit No. NC0003816
Craven County
Dear Mr. Radford:
Enclosed please find a copy of the results of the Bioassay Compliance test conducted on
6/19/2018 and 6/21/2018. The test result was PASS and the facility was found to be in
Compliance with the toxicity test.
If you should have any questions, please do not hesitate to contact me at 252-946-6481 or via
email at [e-mail].
Sincerely, ,
4 f
yi'Y
Robbie Bullock, Environmental Specialist II '
Water Quality Regional Operations Section
Washington Regional Office -
Division of Water Resources, NCDEQ
ATTACHMENTS
Cc: WQS Washington Regional Office
NPDES Compliance/Enforcement Unit
•
State of North Carolina I Environmental Quality I Water Resources
943 Washington Square Mall,Washington,NC 27889
252-946-6481

Division of Water Resources
June 29,2018
MEMORANDUM
To: David May
Water Quality Regional Operations,WaRO
Through: Cindy A. Moore C/ --
l/1
Supervisor,Aquatic Toxicology Branch(ATB)
From: Carol Hollenkamp
Quality Assurance 0 icer,Aquatic Toxicology Branch (ATB)
Subject: Whole effluent toxicity test results
US Marine Corp Air Station (USMCAS) Cherry Point WWTP
NPDES Permit#NC0003816/001
Craven County
The aquatic toxicity test using composite samples of effluent discharged from the USMCAS
Cherry Point WWTP has been completed. USMCAS Cherry Point WWTP has a permitted effluent
discharge of 3.5 million gallons per day(MGD)entering the Neuse River. Whole effluent
samples were collected on June 19 and June 21 by facility representatives Alicia Sanchez and
Stephen Reavis and transferred to Robbie Bullock for use in a chronic Ceriodaphnia dubia pass-
fail toxicity test. The test passed. Toxicity test information follows.
Test Type 3-Brood Ceriodaphnia dubia chronic pass-fail
Test Result Pass
Test Concentrations 14%
Control Survival 92%
Control Mean Reproduction 23.25 neonates
Test Treatment Survival 100%
Treatment Mean Reproduction 19.75 neonates
First Sample pH 7.87 SU
First Sample Conductivity 755 micromhos/cm
First Sample Total Residual Chlorine <0.1 mg/L
Second Sample pH 7.88 SU
Second Sample Conductivity 754 micromhos/cm
Second Sample Total Residual Chlorine <0.1 mg/L
Test results for the above samples indicate that the effluent would not be predicted to have
water quality impacts. Please contact us if you have any questions or if further effluent toxicity
monitoring is desired. We may be reached at(919)743-8401.
Basin: Neuse
cc: Robbie Bullock(WaRU)