HomeMy WebLinkAbout05/12/2009May 12, 2009
Mr. Scott A. Russell
Supervisor
Town of Southold
Town Hall
53095 Route 25
Southold, New York 11971
RE:
Discharge Monitoring Report
Fishers Island New York Waste~vater Systems
NYS-SPDES DMR N.Y. 0.199214
DTC Project No. 09-101-100
Dear Mr. Russell:
In conformance with our contract, we are pleased to submit the Discharge Monitoring Report for the
Fishers Island Wastewater Disposal Systems. The sludge depths for the septic systems 001,002 and 003
as shown in Table 1, and the estimated wastewater flow rates for systems 001, 002, and 003 based on
flow monitoring are shown in Table 2.
We are sending copies to Justice Louisa Evans, as well as the listed State and County officials for their
records.
Sincerely,
DIVERSIFIED TECHNOLOGY CONSULTANTS
Murali Atluru, Ph.D., P.E.
Chairman and Chief Executive Officer
Michael A. Horue, M.S., P.E.
Associate
Enclosures: Table I and Table 2
cc with enclosures:
Justice Louisa Evans, Esquire
Mr. Dilip Banerjee, Department of Conservation, Region 1
N. G. Kaul, Director, DEC
Mr. lsador Doroski, Suffolk County Department of Health Services
S:\09101 Fishers island\Discharge Monitoring Report\05-12-09-Russdl rpl.doc
DIVERSIFIED TECHNOLOGY CONSULTANTS
556 WASHINGTON AVENUE NORTH HAVEN CT 06473 203 239 4200 203 234 7376 FAX
FISHER'S ISLAND WASTEWTER SYSTEM
FACILITY ID NUMBER- NEW YORK 0.199214
TABLE 1
SHOWING SEPTIC TANK CONDITIONS FOR
SYSTEMS 001,002 AND 003
May 12, 2009
System Description
(001) Community Septic System
3 10,000 Gallon Concrete
Septic Tanks 12 Feet High,
10 Feet Liquid Level Depth,
20 Feet 6 Inches Long
Seota~,e Conditions
West Tank
Inlet Compartment
Outlet Compartment
Thin Scum Layer
Negligible Scum
34" Deep Septage
14" Deep Septage
Middle Tank
Inlet Compartment
Outlet Compartment
Thin Scum Layer
Thin Scum Layer
32" Deep Septage
19" Septage
East Tank
Inlet Compartment
Outlet Compartment
Thin Scum Layer
No Scum
31" Deep Septage
12" Septage
(002) Cinema Septic System
I 1,500 Gallon Concrete
Septic Tank 7 Feet High
10 Feet 6 Inches Long, 5 Feet 4 Inches Liquid Depth
Septage Conditions
Inlet Compartment
Outlet Compartment
No Flow in System
Thin Scum Layer
1" Scum
6" · Deep Septage
1" ± Deep Septage
(003) Three Cottages Septic System
1 2,000 Gallon Concrete
Septic Tank 7 Feet High,
11 Feet Long, 5 Feet 4 Inches Liquid Depth
Inlet Compartment
Outlet Compartment
4" Scum/Debris
2" Scum/Debris
17" Deep Septage
18" Deep Septage
S \09101 Fishers island\Discharge Monitonng Rcpori/Septic Tank Table I doc
TABLE 2
ESTIMATED WASTEWATER FLOWS
(SEWAGE ONLY)
SEPTIC SYSTEM
001
SEASON
Summer
Winter
FLOW (AVERAGE
GALLONS/DAY)
9,488 gpd
3,938 gpd
OO2
003
Summer
Winter
Winter
700 gpd
7 gpd
550 gpd
250 gpd
ESTIMATED TOTAL FLOWS
(INCLUDING EXTRANEOUS FLOWS)
001
Summer
Winter
16,688 gpd
7,688 gpd
002
Summer
Winter
700 gpd
7 gpd
003
Summer
Winter
550 gpd
250 gpd