03-17-1977 Council Minutes - Rescheduled

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�^ , RE�CHEDULED ORONO COUtdCIL MEETING HELD MARCH 17, 1977 Page 2 � 7�r n forc, �t potrntiil do the wils }�Ye for f,nc2iminy properly xith an m-site J I M AN DE RS ON RE P O RT vute dispaaal srstm and �hut sort of systcm, lf my, could yw c�e � vith that • rill wrkT One of the tltiinys t}ut vas devised in Niscansin vu the �,a :nte,. (Continued) 7hrou�h the yun it has ewlved to the state ►nc�re !t Ss nw. Primnry fimctlons are in tw specific ar�u: vl�ere rou }uve problcros w�th sla+lr permeable solls with � pe r�litinn rates t}ut md � Yreaur than 60 mins, pet inch ana Tuve a se�saullr Aip¢ yramd vater table (this is the situatian you find rourselves in in this area), • The other sys tm vhich is t}u mand ryst� is desipied foz npidly peimeable type soil vith s}ullow yrand vater eithcr with somethinY like sard or crrvice Dedrock las t}� S ft. belw the surfac.e, • Me thrn developed a model ardinance vhich took the larpe amo�mt of the technical resaurceful thin�s xith the prvposed 1�PC 40 regulatims fiom the Hinncsou YG, • ud ve incorponted thcu uid provided n+o innontive sys2er� for use m pToblea trpe soils in •ddition to the nor�al conyentimal type systaes. 1Te bo systesa • vere the a,ar�d systra for hi� vater table ard slowly peta�eable soils ud the secnnd ++as a shalla+ subsur{ace trerrh with a bac3c Hll wer the top. By usinY tAat use in a situatim that may be marginai for a cmventional zystea, you ean mainuin a proper srpara2im betvern ihe bottm of the bed ud the hiyhest ]mrnm � level of Yrand vater. • Na+ do y�u tell rfiat the highest ]maai level af yrand �rater is espx ially m a yur like the put yearl ldiat rou do is you yo out u�d take soil borings and you • look through vfiat soil scientisu call models. Thry u�e alurnate grer and red splotches in the soil. TAut t�at neans to soil scirntisu is that at some tim the soil has bern satunted, • He thrn ncplained the color soils map. 7he ana that is colored blue indicates • t}ut du primary problea is i �casonal water table• �i¢ht blue - the seasonal �rater table is not as hieT usually bet�ern 1-3 ft, of the sUrface; medi� blue - had eriderr.e of saturatim: dark blue - marsh areas, � (h the liYht blue colored soil, it t�sr�s out t}ut the mou�d syste� for high Yrar�d vater tible and slarly pe�able soils will work becusse xe have at least a foot • separatim normallr between the surface of the weter �d the hi�est S�iwn yroind vatez. So if you put a moia�d system nd�ich consists of a foot or b+o of fill. it wuld eaintain usuallr S ft, of imsatunted soil during this winter. hke the H�nel soil (Ha), 7here is no way to tue the mamd systec, ti8ut will }uppen is rw vill fill in a couple of feet of sand, build a namd systcn ud t}u . water level is going to rise within a foot of the sin-face. Nhen you � yo� efflurnt m it, it vill sit m the surface u�d ccme out �t the toe of the namds, /�ccording to the }{innesoL }{ealth Ilepartrrrt, Niscoruin liealth Departrmtt, uid i just abaut every other health depaT�ent in the camtry, mce you get the svrfeciny of this efflurnt, your systm is comsidend failed and it is a hcalth ha�ard, � ?4r. Mdenm 7eferred to Ormo's Ordinance established in 1961 and still in effect no+�+hjdi states that the systea has to f�ctim in a s�itary marner and xill • not create a nusur.� nor a danger to the safetr of uty drn�estic �rater supply. So it fails. . ldut othrr solutiaas ire thereT pbriously� you �an�t put a camventi�al srstm in here either because thcy vill flood out also md the <h,71ar trench system r��t wrk either: 7}ae only altemative that I can cnme up'vith right �r is a holdiny . tanlc. 7Y�at �uu that it is sealed campletelr and mce cvery So m�y w�� y�}�n it n�eds pa�it�y aut you have to }uve sorneme crnie out md gm� it. • 7here is mlr so nrh that yw can deteivdn frvm a pe rnilatim test. If ynu f�l tJut there is an aru that nay have some problcros, the onlr Mry you can figure w[ if you are poing to luve problems or not is to actually look at it. 7his inwlves � t+��S �� gs snd n�niny a percv.Lti� trst. It is an iauttractive �asure to use u the soil criteria for deteraininy i,hether or not �+e rnnt to put in a soil � absorption system, In additim to the other factors that I xas ulki.ny out (heiyi�t of the vater Lble. vater uble evide�ce, tactuie of the soil), locatim desezves equal vei�t and probablr more• l�at rou are att�ting to fud is the rate af � vater. S�e2imes the soil is saiurated when you nake the test; so�eti�s it isn't. Depends m the soil. If you do the pemilation ust ri�t� you can ma]ce the sort of msven that qou want as easilr u yvu can Yet answers that don't pass. � 7his is r�at is the iutter vith the perc trst and t}x nasm �, it shoul�'t be the sole criteria for v}uch to bax yovr ans�,,er. It doem't simulate the conditims • tlut you}uve tnder these soil absorptim srstems. 7Tun are a lot of othez factors tJut rnur into this. If the pe7c test is dme properlr� it �+ill yive you a • nlativelr $ood idea of�+hat sort of problems you xiil }uve w�ith your soil. �fr- lf3iich u�quir=d if a satisfactory perc t�st muld be made duriny the vinter nmths• 1�h'. l��de:sm ezplained that cmditims in the vinur xould make it � virtuallr i�ssible to pet pmper readings m these tests, � ?fr. Mdersm stated t}u2 the moia�d srste�s are usuallr larger than the conv�ntimal srstau. 7hry takc up mare area and are desi��ed 2o vtilize mon of t?u soil araa�d it. It is pirt of the treaaoen2 upect. 1`e reco„rne� t}ut the sinima � lot size be betvern 2-2� acra. Q� that 2-Zy acres, r+e recomnerd thit rau have � �a initiil siu, plus rou � p�t in a rrplacabent if it bec�es nec�ssary. }ie apreed tAat the rest of the area could be Ha sail if a nmicipality so daired. He further suted that you cnald build m Fla soil, but he voul�'t vu�t his house amd basmrat m Ha wil. � � (Continued) �