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§ 6-193 ARDEN HILLS CODE applied solution less than one hundred fifty (150) parts per million for twelve (12) hours. (Ord. No. 56, § 4-8, 9-12-60) Sec. 6-194. Pumping test. Upon completion of drilling a well a pumping test of sufficient duration to determine the yield and maximum drawdown shall be conducted. Within fifteen (15) days after inspection of the well, the permit holder shall file an affidavit with the clerk-administrator setting forth the results of the pumping test, the capacity of the well, the pumping level, the depth of casing from grade and length and size of screen if one is used. (Ord. No. 56, § 4-10, 9-12-60) Sec. 6-185. Log. A eolo ical lo of the formations encountered in drillin g g g g each well ahall be kept by the driller. A copy of such log, typed on eight and one-half (81/2) by eleven (11) inch paper shall be filed along with the well affidavit and such log shall specifically state where impervious formation is ' encountered. Failure to provide accurate information with respect thereto shall constitute a violation of this article. (Ord. No. 56, § 4-10, 9-12-60) Sec. 6-186. Daily record of water level. In addition to other documenta required, the driller of a well shall file with his log and affidavit a report indicating the daily record of the water level in the well during the course of the drilling. (Ord. No. 56, § 4-10, 9-12-60) Sec. 6-187. Sealing certain wells. Where a well is drilled to terminate in the St. Peter Sandstone or the Jordan Sandstone, the overlying forma- tions shall be sealed off. In the case of a well finished at a diameter of four (4) inches and egtending through the Platteville Limestone, thia ahall be accomplished by installing a minimum five (5) inch diameter casing from the 346 ~