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~ SEGT'iON 4e LOCA`flC3N AND i;OhSTr?UCl°lCjfv Or WE U_S 4~ 1: Fir l?~d; 3~ i r'It,.la! 4:1:7'~' . - . . . , ,a . . sfirucfied i n such manner, cor,s istent wi th t1e pr°ovis€ors c»= t i S 0; , ;i~..~,~,e= as prevent con-l=am ina-~ i on of i ts wa ~-er sspp i y by uri~~ ex i si- s ng se~~ar~;~ °_~r,;-;8 !~yr; or sewage d i sposa 1 systems fihat may reasonab !y he anto<ip,3fcd i n-I-.e ;u-turen ;10 to minimize aG far aspossi5le fihe possib6e co:~~amination d; tI-pw ;rei 3 r"rcm a+1 pcssiUie externaS sources wi1-hin fihe geoiogical stratfl sur,woUnding t,-ie we? i, ~ 4-2r We1 Is shal i be located tn such a manner as to msrzimizc= as -far a, poss i b i e the poss i b i i i ty o# f iood i ng e The top of the we6! shaEl bE, ccrs strue-f cd and ! ocated i n such manner as to p i ace it abave a ti poss ;u?e sotar°ces of Do d t vts on. No we I I sha I f be constructed or 1 ocated w i th a n three (3) ~~ee-,- of the outs i de basemenfi wa i ! of a dwe l i i ng nor dha l I a we i ! be cons i ructed or E c;cv ted w{#h ; r; fifteen (15) feet of a property Jine. The oui-side basemenfi footing shall be cont i nuous across the open i ng of the we I i a i cove. i n a! I cases a we! 1 sha i m be . located in auch a manner as to provide the failowing minimuni distances betwevn the weli and possibie sources of contamination8 to=wat: (t) Buried or conceaied ex#ra heavy cast iron sewer or daatir i i nes w i th I ead cau l ked, a i r tested jo i n#s - 20 feet. (2) Vitritied - clay or conccete sewers (or casi- iron sewers nofi of construct i on descr i bed above) sept i c tanks or dra i n f i e i ds` - 50 feet. (3) Dry weti, seepage pits, cesspools - 75 feet. 4-3. No we i i sha l 1 hereafter be t nsta iled i n a p it be iow the surface ov tho ground un 1 ess such we1 I p i-F i s a- a I cove open i ng d i rsctP y i ntc ,°he main uaseric'n~'- area of fihe bu i J d i ng be i ng served by the we l l. The we l t pit f t oar shai 1 b41 construcfied accord i ng fio the requ i rerrents of pump f t oors out 6 i ned i rthis Jrd in.3nrf8m 4°4• No we i I canstruction i n Arden H i I f s sha ! I term i nate i nthe Lleco: ah Shale, Plattevi 11e Limestone or Shakopee-Aneota Doiomfiteo No Pxesteng vaLi 1 stia` ! be increased in depth to terminate in those formations. 4-5. The minimum diameter of any fin6shed we-1 casing sha(I be four (4) i nches. Vde i 1 cas i ngs sha I 8 be cc~nsi~ructed of weI ded or coup 1 ed s~~ea ! or wrOzJUh-;- iron and shail conform to the followtng specitications for weighfi and tFic;,;,es::, Di ameter We t I Th i ckness Wei rhfi pec- l€nea!foo-F w; d;; threads arad couLl i ngs 4" .237 inches 10.98 lb;4 5" .258 e nches i4a 8 lbs. 6" .2$0 inches 19a45 ibs. 811 .322 i nches 29.35 P bs. 10" .365 inches 41,85 ;bs9 ?he casigg of any we1l consfiructed entirety in unconsolidated earth forarations sha t d extend fio a depth of at I east 100 feet below estan I t shed around t aYve! or thtough the 'first impervious soi 1 formation encountered, wh'?chever is shal lower, but in no event less than 75 fe+efi deep, and at Ieast 20 feefi below expected purrp- ing leve! (levet Selow gt-ound Ievet to which the wafier surface is lowered in the we!l during pumping). Where a rvaterbearing foe-mafiion is encountererJ during welt construction at a depth which satisfied these menimum requirements, i-he accept`m bility of the formation for we(1 deveiopment shall be based on fihe satisfactory resuits ofi anatysis of the wa#er by a competeni- labarafiory. Flny water°-Csaring ~ formation yeifding water whi'ch is contaminated, as evidenced by fhe presence of chemicals or bacterla ot sewage origin, shail be regarded as unsatis#actor-y foa welJ deveiopment, 4Vhere a weiP is drtlFed to terminate in fihe St. Peter Sandstone o•f -hhe Jordan Sandstone, the overtying formatFons shall be sealed off. -2- ~ _ '