HomeMy WebLinkAboutNC0080381_Effluent Toxicity Test Result_20171031Water Resources
ENVIRONMENTAL QUALITY
October 31, 2017
Mr Russell G Colbath, P E
Water Resources Director
Post Office Box 69
Monroe, North Carolina 28111-0069
ROY COOPER
Governor
MICHAEL S REGAN
Secretory
S JAY ZIMMERMAN
Director
RECENED1KDE0JDWR
NOV 07 2017
\Nater OuE111ty'
permitting section
SUBJECT Effluent Toxicity Test Results
John Glenn WTP
NPDES Permit NCO080381
Union County, NC
Dear Mr Colbath
On October 10, 2017, Roberto Scheller of this Office conducted sampling for whole effluent
toxicity at the subject facility Sampling was conducted on October 10th and 12th 2017
Enclosed for your file is a copy of the Division's test results We wish to thank you and the
operating staff for assistance regarding this sampling
The enclosed report should be self-explanatory, however, should you have any questions,
please do not hesitate to contact myself of Roberto Scheller at (704) 235-2204 or
roberto scheller@ncdenr gov
Sincerely,
W Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ
Enclosure Whole Effluent Toxicity Testing Report
cc David Rankin, ORC, John Glenn WTP, 2119 Old Camden Road, Monroe, NC 28110
Wastewater Branch
File
State of North Carolina I Environmental Quality 1 Water Resources I Water Quality Regional Operations
Mooresville Regional Office) 610 East Center Avenue, Suite 3011 Mooresville, North Carolina 28115
704 663 1699
Division of Water Resources
October 25, 2017
MEMORANDUM
To- Corey Basinger _
Water Quality Regional Operations, MRO
Through. Cindy A. Moore D----
Supervisor,
Aquatic Toxicology Branch (ATB)
From: Carol Hollenkamp (�
Quality Assurance Officer, Aquatic Toxicology Branch (ATS)
Subject- Whole effluent toxicity test results
John Glenn WTP
NPDES Permit # NIC0080381/001
Union County
The aquatic toxicity test using grab samples of effluent discharged from the John Glenn WTP has
been completed. John Glenn WTP has a permitted effluent discharge of 0.898 million gallons per
day (MGD) entering Stewarts Creek Whole effluent samples were collected on October 10 and
October 12 by Roberto Scheller for use in a chronic Cenodaphn►a dubia pass -fail toxicity test. The
test passed Toxicity test information follows.
Test Type
Test Result
Test Concentrations
Control Survival
Control Mean Reproduction
Test Treatment Survival
Treatment Mean Reproduction
First Sample pH
First Sample Conductivity
First Sample Total Residual Chlonne
Second Sample pH
Second Sample Conductivity
Second Sample Total Residual Chlorine
3 -Brood Cenodaphn►a dubia chronic pass -fail
Pass
90%
100%
29 9 neonates
100
30.25 neonates
6.55 SU
242 micromhos/cm
0 23 mg/L
6.89 SU
254 micromhos/cm
0 14 mg/L
Test results for the above samples indicate that the effluent would not be predicted to have
water quality impacts. These samples were split and tested by Environmental Testing Solutions,
Inc.. The chronic Ceriodaphn►a dubia pass/fail test run by Environmental Testing Solutions, Inc.
resulted in a pass Please contact Ls if you have any questions or if further effluent toxicity
monitoring is desired. We may be reached at (919) 743-8401
Basin. Yadkin -Pee Dee
cc- Roberto Scheller (MRO)