HomeMy WebLinkAbout1982-08-02 On Site Sewage Treatment Inspection ReportON-SITE SEWAGE TREATMENT
INSPECTION REPORT
On the North Shore of
Lake Minnetonka
CITY
OF
ORONO
POST OFFICE BOX 66
1335 S. Brown Rd.
Crystal Bay, MN 55323
473-7357
OWNER
PHONE
D Ss ADDRESS 77S" ^ .
PERMIT NO'S.DATES
City Ordinance No. 210 requires that each on-site sewage treatment system in Orono be inspected on a regular basis.
The on-site sewage treatment system at the above address has been inspected and appears to fall into the category checked
below:
1 Meets or exceeds current city standards in all respects relating to design, construction, and location. Appears
to be operating properly.
2 Does not meet current city standards in some respects relating to design, construction, or location. Appears
to be operating properly.
3 Does not meet current city standards in many respects relating to design, construction, or location. Appears
to be operating adequately.
&T4 Does not meet current city standards of design, construction or location, is being overused, or is failing to
properly treat and dispose of the current input and is therefore endangering a water supply, is a source of
pollution to surface or groundwaters, is creating a safety hazard, or is otherwise creating a public nuisance.
Please contact the inspector to discuss requirements for repairs to your system. Soil testing may be re
quired. In all cases a design and site plan must be submitted for review. Your contractor must obtain a permit
before work is started.
WORK REQUIRED:
n~n Septic tanks must be pumped within 48 hours.
Drainfield must be repaired or replaced within 90 days.
Inspection riser (4" diam. pipe) must be installed in each tank.
Tank inspection indicates maintenance pumpout is needed as soon as possible. City ordinance requires that
tanks be pumped out every three years.
SITE CHARACTERISTICS:
Limiting Site Factors
iSZTsiooe
□ Soil
□ High water table
□ Lot size
QLake, wetland, or stream
□ Drainage
Potential for System Failure
(depends on soil types, water
table, and system condition)
Q Low
□ Medium
□ High
J^^ystem is causing visible
surface discharge.
Site Capabilities for
Future Expansion
□ Adequate
Fair
□ Poor
□ Inadequate
COMMENTS:.
Y S TTPr-^ /gf
This report must be kept on the premises with system location and pumping records
WHITE COPY / Inspector’s File GOLD COPY / Homeowner
SITE ADDRESS T’7.5' s /2.t^CITY OF ORONO
ON-SITE SEWAGE TREATMENT - REPAIRS OR ADDITIONS TO EXISTING SYSTEMS
THE FOLLOWING GUIDELINES SHOULD HELP YOU IN REPAIRING YOUR FAILING SEPTIC
SYSTEM:
I. Sij-itcm loiiZinq because:
Poor soil conditions
pQ Too much water use for size of system
High water table.
Sludge getting into drainfield - tanks need repair/replacement
Other
2.
3.
Unknown; or a combination of the above factors. It is not always possible
to determine the exact cause of system failure, but those listed are
common factors.
Tanfei - City Code A,eqtu/tea 2 tanfu in a nonmaJt Az6idejitiat g^vity-^Zoio 6tj6tam:
1-1000 gcUton, 1-750 gallon p^zcxut concAztz tank4 in 6ZAie^, Thtic oAz minimm
6ize^ - you my Mcih to inittaUi loAgzA tanfiA, you havz only 1 tank, it
normally azquifizd to add a 6zcond uifizn A.zpaixing a failing Aij^tzm, I|J you liavz
2 tanki but thzy OAZ Aui^tanlially undzA&izzd {500-600 gallons, jjo/i inAtancz),
it ii ^zcoimzndzd that thzy bz xzplaczd, youA azpalu uUll AzquiAz a pump,
it should bz placzd in a thiAd tank (500-1000 gallon -recommended).
System will likely require replacement/addition of 1 or more
tanks:
X CT I^rr7i> Z-yoOO
A notz about pumpa: Pumpa and pump contAoli havz out oi nzczA^ity bzcomz bzttzA
dzAignzd and moAz dunablz in thz lent izuo yzaA4. NzoAly onz 6zptic 6y6tzm in
iJouA initallzd in OAono mafeea uae 0|^ a pump, duz to 6itz conditions, A pump my
bz needed: - uthzn baszmznt ^looK drains ox foivea-t szmzx linz axz bzloM thz axza
to bz aszd as dAoin^izld, - in all mound systzjns, iohich axz uszd ichzAz high mtVi
table ox slowly pzxcolating soXZs axz ^ound,
Thzxz axz essentially two types o^ pumps uszd in septic systems applications:
1, B^^luznt pumps - pump only liquids, noxmally used a^tex thz second septic
tank, ox i^ox laundxy in the basement; and
2. Gxindex ox so lids-handling pumps, uszd j^ox basement toilets and sometimes
installed in an outside sump, which pump sewage up to septic tanks on
high gxound.
Pump ^ailuxes in thz past have been due mostly to switch ^ailuxes {coxxosion
ox wzaxing out) and eJle.ctxic connection coxxosion. Both o^ these pxoblems
havz been reduced by use o^ co^xosion-xzsistznt ^loat switches and connection
boxes. While pump iailuxzs axz less common than in the past, a high watex
alaxm costing appxoximatzly $75-$100 is noxmally xequixzd whzxz a pump is uszd.
lt*s well woxth thz pxicz i^ it saves you a costly basement cleanup.
Repairs to system will likely require a pump, including a pump tank
and alarm systenu-'T^T x
Pa.)C’ 1 a 3
4.
5.
V'Xdin^ieZd - VouA. d/icUn^ieZd -c4 tkc. component OjJ ijouA 6cptic 6ijstejn the contAacto^
lidi teaiit contAot ovefi. Wo mattefi hoio wett constAucted a dAcUn^ieZd it
no bettex than the 6oit it t6 placed in. Fox example, a 1500 ^quaxe ^oot dxcUn-
iield in heavy clay ujith kigh Mitex table ^exving one xeiidence may not Moxk <u
well 04 a 400 ^quaxe ^oot dxatn^ield in 6ondij loam with no watex table pxoblem.
The toil it vaxiable {thankt to the glaciext) and may be completely di^^exent
in locationt lett than 100 ^eet apaxt.
The type 0(J xepaixt ox xeplacement o^ yoax dxain^ield logically thould be bated
on the capability oi yoax paxticulax toil type. To do thlt, it it pxudent to
have pexcolaticn tettt and toil boxingt taken. The "pe/tc" tett it a meatuxe
how ^att watex will move thxough the toil, Boxingt will indicate the depth
to watex table ox teatonally tatuxated conditiont (indicated by mottled xed and
gxay coloxt in the toil) and thould dit covex any haxdpan ox clay lay ext which
will impede watex movement.
Soil borings/perc tests are required.
Soil borings/perc tests are recommended.
Soils borings/perc tests have been done previously or are not needed.
Bated on the ^indingt, the pexion doing yoax tetting thould detign a tyttem lox
yoax oaxticalax watex ateage (bated noxmally on 150 gallont pex bedxoom pex day)
and iiOX yoax paxticulax tite. It it not unutaal to ^ind that you may need a
mound-type tyttem, tince the majoxity o^ Oxono't toilt axe clayey and have ''
pexched tatuxated zonet within a ^ew ^eet o^ the tux^ace duxing paxt 0(J the yeax,
Txench tyttemt inttalled in thete toilt in the patt o^ten expexienced teaton<cl
^ailuxe, Howevex, in many placet txenchet ttill can be ated whexe conditiont
axe taitable,
Uoxmally, the City Intpectox will xecoimend what he ieelt axe the minimum
acceptable xepaixt bated on hit knowledge oj{ the tite and tituation, Howevex,
thexe it no guaxantee that the xecommended xepaixt will be adequate. Fox
thit xeaton, a detign bated on toil tettu,g and youx paxticulax tite and
watex utage it almott alwayt xecommended.
Number of Bedrooms in Home 1 2 ^!)*4 5 6 7 8 (circle)
Recommended type of dreinfield
Standard Trench;
Shallow Trench;
Mound Dimensions
Other
square feet minimum
square feet minimum
No Recommendation on system type; you should have soil testing done and have
a system designed by a site evaluator, site conditions are too marginal or
cjunknown- to make a reasonable recommendation without testing.
li the iailxxxe oi youX tyttem it coating a tux^ace ditchaxge that it a potential
nuitance to youx neighboxt, you will noxmally be xeqaixed to have youx tankt
pumped at o1(ten at necetsaxy to eliminate thit ditchaxge, until youx tyttem it
xepaixed, ^^7- fccQ .
Page 2 0^ 3
6. WHAT WILL REPAIRS COST?
Tki6 tilting >c6 given only ab a xe^e^enez. Conditions voalj ($oa. cac/i site.
The ranges given oaz a tijpicai ^epaix, and ijollx paxticutoA design may
cost mofie ofi less than shown. Restoration o^ sod atid bushes is normlty
not inctuded in the price.
Typical Repair.
600 square ^eet o^ drain^ield in txencheb
1000 square ^eet o^ dxainiield in txenches
I’lOOO gallon precast concrete tank
Pump, alarm curd 500 gallon pump tank
Mound drain^ield including pump/pump tankfalarm
Total System Replacement
Installed Price Range
$1500-2000
$2000-3000
$ 500-1000
$ 600-1200
$3000-5000
Standard Trench - 2-1000 gallon tanks, 1000 s^ drain^ield $2500-4000
Mound System - 2-1000 gallon tanks, 500 gallon pump tankfpumpfalarm,
(3 bedroom home] Mound System $5000-S000
7. WHAT IF I FIX MV SYSTEM ANV NEXT YEAR THE CITY PUTS IN SEWER?
\%
Only a ^ew specific areas are targeted ^or possible future sewers in the ru/uU
parts oj Orono. These areas will probably not be served until/unless widespread
system ^ailu/Les occur. The City has applied ^or Federal Grant Monies to install
sewer ior specific areas, including Crystal Bay, Stubbs Bay/Westlake Street, and
Stubbs Bay NE, These are historically developed areas with substantially less
than the minimum 2-acre lot size and have a potential ^or septic system failures
which couldn't be repaired adequately on-site. However it may be years before
sewers actually go in. The remaining parts o^ rural Orono, in the 2-acre and
5-acre zoning districts, are specifically excluded from being sewered in the
foreseeable future.
I am located in an area that may be sewered if problems worsen or
federal grant money becomes available.
I am located in an area specifically geared towards permanent usage
of septic systems.
Other
8. WHAT STEFS SHOULV I FOLLOW?
1. Hire a so^l/site evaluator to do the necessary testing and design a system
for your needs. If testing is not required, you may skip this step.
2. Submit the design for approval by the City.
3. Once design is approved, have one or more licensed contractors bid on
the approved design.
4. The contractor you choose should obtain a permit from the City before
starting work, and he will call for inspections as necessary.
A ti\/ ni I p* r f r 0 • I •I I CVr-rfM ^ C U7T 77^7