Show II ORI G ORI GJ G J AND G REPAIRING LE LEK K R ESIA ELLS tAn An as al swell t- t M ell ell ellIS is one owe which taps tana a rock lock f n thit contains under so muc much hydrostatic h that th watt IS ia forced presure ure up in the well above th thel normal water wate table In iii areas arcs lIed celled of al artesian Ito the areas alel pressure e IS sus sur to nOl the water abo above aboL L the surface acid nd tI ll s to flowing wells I In sonic some of the wells ells luSt first ed edill I ill the basin the ise of the wales atel t it the op of the use s as more t than well pounds at to the square S inch mch Dik 1 was a an the rf re ported reported to ha ha il fl pressure of 20 pounds to the thc quire inch- inch shout I bout hout sic SI s the P SUle thIt th It t is from a i 1 rh hun I Ired high Some Sonic y b ells ell deliver r menso mense s of water by un on bore titS e bore gallons In A str 1 lIa a dt ate first Ilo ed ed 2 a I mute e well ell ne C 1 a at cd ul O 0 Dak ed I In 50 lIons ld near E N NIe Ie Me a well gallons x foxed O ed The ow of the hell ell Roswell near amoun ed edin edI in I other about 13 cane set n a WW terms to second lion gallons or 8 roil s 1 i For many y ars It his been nosed n th t I la ge Sill sus quantities of Sr ar water arc al lost by del ground leaking Un On holes to In the cot Cor coti i OJ OaE I 1 cas n O t It a N the th t Sur ur b States tes D Dl l mell of tai l teno lies s deve ed cd a practical n 11 thod of locating these t ese leeks le and mea m meas as 0 urine the s 3 of water that ate ale through them em Hence an nn In individual well ncr ov ow er or a cot that depends for o jer its ts is water supply up upon upon upon on LU can nov no not obtain de definite e finite a as to hether whether the wells welle leak and f 1 U so how ho much snuck and at what depths The method IS simple in m pun pain A current meter that thit v was wa as specially constructed constructed for the purpose e eby by Carl II H Au o ot the Geological bur burve ur urve ve is let down Onto Into the well where It records the velocity of the lie water at any depth cles ed With the vole velo velocity velocity city ind nd the dl dr never r of the the- well lell knon kno n th the rite te of Row flow float at any pom point can be bL d Hence a sell of measurement taken at successive levels flom the bottom to the top ton of the well will sho show just where here the wa va water shot ter enters and ind Im I'm In what amounts where here it leaks leks tout out andin and in m what hat mounts amounts and h rout v much is at th surface t f For certain invests it may be ry necess to de dense deIse Ise for m my the of i 1 well it t any an depth but thus far farno farno farno no serious Hies hive have arisen on n account of uncertainty 1 is iso o q the diameter dla dia diame meter This ter methol 1 h f s now been success successfully fully used in m ties thi th 1 artesian re ires of Honolulu and III r 11 the Roswell artes arte nn ran basin bisin in m the Pecos eco ecos Valley of New In Ho Ifo the artesian water is y valuable because e eIt It forms forme the supply for the city uty In 19 ive we wells in Hon lu lulu lu i a total undo rould leakage of gallon i a day da was found which is equal I about one third of the total of artesian water consumed from front he wale wate works One of t ie e wells was as found to waste aste ga Ions a diy day by under underground underground ground leakage e A somewhat some e pen eapen e sive program of ceasing or all plugging all leaky artesia wells eBs has been undertaken un undertaken and th value v of the work already completed complete is indicated by the th fact that thit leak leakage ge mounting to 5 gallons i da dachas has been ely stopped The ev experience on n this plo pia pio jest has shown ph het t an ant ani I plugging l leaky le b lis are n I expensive operations ns which require the services sel of a skillful driller adequate equipment working under the instructions df f i competent by h engineer 1 The method us used d in m these John b ire are described in I reports br bj John McCombs and A G Fiedle which have been published by th the the Geological Geological as Water Supply Supply- Supply Paper Paper 5 6 A |