My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
CORRESPONDENCE_1987-1989
Environmental Health - Public
>
EHD Program Facility Records by Street Name
>
H
>
HARNEY
>
14750
>
4400 - Solid Waste Program
>
PR0440007
>
CORRESPONDENCE_1987-1989
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
6/4/2021 5:15:24 PM
Creation date
5/7/2021 8:40:09 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
4400 - Solid Waste Program
File Section
CORRESPONDENCE
FileName_PostFix
1987-1989
RECORD_ID
PR0440007
PE
4434
FACILITY_ID
FA0000595
FACILITY_NAME
HARNEY LANE LANDFILL
STREET_NUMBER
14750
Direction
E
STREET_NAME
HARNEY
STREET_TYPE
LN
City
LODI
Zip
95240
APN
06503006
CURRENT_STATUS
01
SITE_LOCATION
14750 E HARNEY LN
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
Scanner
SJGOV\cfield
Tags
EHD - Public
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
192
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
ATTACHMENT 3 <br /> GROUNDWATER VELOCITY CALCULATIONS FROM La11204a <br /> MONITORING WELLS AT THE HARNEY LANE SANITARY LANDFILL <br /> Prepared by: Prepared by: Mark Urquhart <br /> Date of seasure®ents: Jan 3, 1989 <br /> Date of report: Feb 9, 1989 Quarterly) <br /> (flne:\lark\en\hl\oonflow.ssf) <br /> a) Calculation of gradient <br /> WELL WELL COORDINATES DISTANCE GW ELEV ELEV DROP GRADIENT <br /> North East F/MW-1 U.S.G.S. F/MW-1 F/MW-1 <br /> MW-1 3551.1 2452.9 N/A -21.69 N/A <br /> MW-2 2031.4 3076.0 1642.5 -24.37 2.7 0.00163 }f <br /> NW-3 883.7 2011.2 2703.8 -24.87' 3.2 0.00118 <br /> MW-4 1347.2 942.3 2671.9 -24.19 2.5 0.00094 <br /> ft This corresponds to the general flow direction beneath the <br /> landfill, which is southerly with a slight easterly trend. <br /> Gradient is 0.00163 <br /> b) Calculation of ground-water velocity using Darcy°s Law: <br /> v= ki/n Where <br /> v= velocity of ground-water <br /> k= hydraulic conductivity of aquifer <br /> = 0.009 cm/sec (EMCON, Attach.) <br /> i= hydraulic gradient <br /> n= porosity of aquifer <br /> = 0.2 (EMCON Attach.) <br /> Calculation Table: <br /> k i n VELOCITY <br /> (ce/sec) (ft/ft) <br /> 0.0090 0.0016 0.2 7.33E-05 c®/sec <br /> 76 ft/yr {aa <br /> a}f conversion factor fro• cm/sec to ft/yr= 1.03E+06 <br /> V = .009ce/sec X 0.0016 ft/ft / 0.2 = 7.33E-05 ca/sec <br /> OR V=APPROXIMATELY 76 feet per year <br />
The URL can be used to link to this page
Your browser does not support the video tag.