The Coun­ty Soil and Water Con­ser­va­tion Dis­trict may com­ment on the pre­lim­i­nary plat with­in thir­ty (30) days after receiv­ing the appli­ca­tion. The com­ment shall be not­ed, in writ­ing, and filed with the Zon­ing Offi­cer. If com­ments are not received with­in thir­ty (30) days, the Plan­ning Com­mis­sion shall assume that the Soil and Water Con­ser­va­tion Dis­trict has no objec­tions to the pro­posed pre­lim­i­nary plat. (Sec. 301.0)