Unlawful to Pollute, Muddy, or Contaminate Waters of any River or Stream, Prohibit Deposit of, or Permitting to Pass Into, or Place Where it Can Pass into County, Debris, Tailings, Effluent or Other Substances from any Source Whatsoever, Including Gravel Diggings, Washing and Processing Operations that Decrease Clarity of Said Waters, so as to Effect Reasonable Enjoyment of Said Rivers and Streams by Public, Declaring Violations to be a Public Nuisance, Violations are Misdemeanor