NC0047091_Enforcement (Other)_20200512

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Silver Maples Community
Permit Number:
NCO047091
Report Period: February
Prior
Assessments:
0
Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description
Waterbody
Name
Classification
001 Effluent to the Rocky River
Rocky River
C
Monthly Average Limit Violations
Sample Location: Outfall 001- Effluent
Violation
Unit of
Limit
Calculated
% Over
Date Parameter
Frequency
Measure
Value
Value
Limit
Action
2/29/2020 BOD, 5-Day (20 Deg. C) -
Weekly
mg/I
13
19.90
52.9
Concentration
2/29/2020 Flow, in conduit or thru treatment
Continuous
mgd
0.04
0.10
38.9
plant
Daily Limit Violations
Sample Location: Outfall 001 - Effluent
Violation
Unit of
Limit
Calculated
% Over
Date Parameter
Frequency
Measure
Value
Value
Limit
Action
2/6/2020 BOD, 5-Day (20 Deg. C) -
Weekly
mg/I
19.50
30
53.8
Concentration
2/13/2020 BOD, 5-Day (20 Deg. C) -
Weekly
mg/I
19.50
36
84.6
Concentration
2/20/2020 Chlorine, Total Residual
2 X week
ug/I
28
30
7.1
No Action, BPJ
2/13/2020 Coliform, Fecal MF, MFC Broth,
Weekly
#/100ml
400
600
50.0
44.5 C
Other Violations/Staff Remarks: ORC called and reported plant effluent discharge pipe under water resulting in false
readings on flow meter. Reported power outage due to storms resulted in plant -upset. Tablet chlorinator
floated out of place resulting in Fecal violation.
Supervisor Remarks:
NOI. I want to review their response. There was a significant rain event on Feb 6th
that resulted in greater than a 25yr/24hr storm in our area.

Completed by: DocuSigned by: ��^�° S-aj�
91C2A007838943E_
Assistant Regional
Supervisor Sign -off:
Date: 4/2/2020
Date:
Regional ���` 4/3/2020
Supervisor Sign -off: A14CC68,AF274zs... Date:

Prior 12-Month Enforcement Histor
Permit Number: NCO047091
Report Period: February 2020
Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation Report
Violation
Date Period
Parameter
Type
NOD NOV CPA
5/23/2019 5-2019
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOD-2020-LV-0008
Concentration
Exceeded
6/6/2019 6-2019
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2019-LV-0571
Concentration
Exceeded
6/20/2019 6-2019
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2019-LV-0571
Concentration
Exceeded
8/8/2019 8-2019
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2019-LV-0761
Concentration
Exceeded
8/31/2019 8-2019
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2019-LV-0761
Concentration
Exceeded