HomeMy WebLinkAboutNC0061719_Performance Annual Report_20071231Performance Annua
I. General Information
Facility/System Name: Woodlake
DENR-FRO
MAR 1 1 2008
DWQ
MAR - 3 2008
DENR - WATER QUALITY
Responsible Entity: A• ua North Carolina d �; :z t�-1; •1 I
Person in Charge/Contact: Tom Roberts
D
Applicable Permit (s):
NC0061719 W CS00123
Description of Collection System or Treatment Process:
This 0.50 m d wastewater treatment facilit consists of a bar screen
an Aeromod Com lete Mix s stem tube settlin clarifier slud a di ester
chlorination and ost aeration.
II. Performance
Text Summary of System Performance for Calendar Year 2007
This plant performed enerally well during 2007.
List (by month) any violations of permit conditions or other environmental regulations. Monthly lists should include discussion of any environmental impacts and corrective measures taken to address violations.
January Compliant
February TS S daily and monthly limit of 45 and 30 mg/L. Daily
exceeded on 3 occasions- 32.0, 90.0 55.0 mg/L; Monthly
TSS was exceeded with a single measurement of 39.9
mg/L. Operator had to add seed sludge to the plant; solid
fell out.
November
. December
March Compliant
April Compliant
May Compliant
June Compliant
July Compliant.
August Compliant
September Compliant
October The daily Fecal Coliform maximum limit of 400 colonies
per 100 ml was exceeded with a single result of > 13,000
colonies per 100 ml. Reason unknown.
On October 26,2007, approximately 80,000 gallons of
sewage was discharged over the plant due to a hydraulic
overload brought about by a 1-1/2-inch rainfall. The
plant upset did not hit surface water.
The daily Fecal Coliform maximum limit of 400 colonies
per 100 ml was exceeded with a single result of >700
colonies per 100 ml. Fecal was out to due to chlorine
malflunction. Chlorine pump has been replaced. TSS
daily and monthlylimit of 45 and 30 mg/L. Daily
exceeded on 3 occasions- 32.0, 90.0 55.0 mg/L; Monthly
TSS was exceeded with a single measurement of 34.8
mg/L. Daily TSS Limit of 45 mg/L was exceeded by a
single measurement of 51 mg/L. TSS was out due to
solids in chlorine contact chamber. A vacuum truck
removed the solids. Aqua replaced the sump pump in
aeration chamber.
TSS daily and monthly limit of 45 and 30 mg/L. Daily
exceeded on 2 occasions- 70.0 and 46.0 mg/L; Monthly
TSS was exceeded with a single measurement of 47.25
mg/L. TSS was exceeded due to improper of solids
while backwashing of filters. Solids were removed from
chlorine contact chamber.
II. Notification
Our customers received a message on their bills regarding the availabilityof
this report upon request and a notebook containing these reports is located in
our Customer. Service office.
III. Certification
I certify under penalty of law that this report is complete and accurate to the
best of my knowledge. I further certify that this report has been made
available to .the users or customers of the named system and that those users
have been notified of its availability.
k-TKoirof 2/29/08
Responsible Person Date
Title: Regional Compliance Manager
Entity: Aqua North Carolina dba Heater Utilities, Inc.