(A) For promoting health, safety and welfare and so no use or activity endangers or inhibits the City of McCall sewer system, treatment plant, and personnel; and so use and activity does not cause the City of McCall to violate the Federal Water Pollution Control Act, it shall be unlawful to permit or cause flow of any of the following substances into the sanitary sewer system:
1. Any grease, fatty materials, offal or garbage;
2. Any stone dust, sand, dirt, gravel, sawdust, metal filings, broken glass or any other material which may cause or create an obstruction in the sewer;
3. Gasoline, benzene, fuel oil, phenols, cresols or any petroleum products or volatile liquids, or any wastes which create a fire explosion hazard;
4. Milk, or any liquid milk waste products, in quantities in excess of 53n (10 gallons) during each twenty four (24) hour period;
5. Any cyanide, phenols or any other chemical or substance which interferes with or prevents the functioning of the sewer system or wastewater treatment facilities;
6. Paint or waste products from paint manufacturing;
7. Radioactive wastes;
8. Any material from cesspools and septic tanks, other than effluent;
9. Any material from chemical toilets, such as used in recreational vehicles and on construction sites;
10. Any other substance or liquid deleterious to the sewer system and wastewater treatment facilities or which shall endanger the employees, operation or treatment processes of wastewater disposal, or which shall cause encrustations or otherwise chemically or physically corrode or erode the sewer system and wastewater treatment facilities. In no case shall wastes with a pH lower than 6.0 nor wastes with a pH greater than 9.0 be permitted into the sanitary sewer system.
(B) Every building, structure or premises used or occupied by any sewer user where any commercial or industrial operations are conducted or permitted which result in the discharge into the sewer system of any products, waste products or other substances, matter or liquid in the manner and to the extent prohibited in this Chapter shall be equipped with an adequate and suitable grease trap, filter or other interceptor device installed in such a manner that products, waste products or other substances, material or liquids herein set forth shall not flow into or be discharged into the sanitary sewer system. The grease trap, filter or other interceptor shall be:
1. Operated efficiently at all times;
2. Continually maintained and operational;
3. In compliance with the specifications as set forth in the Uniform Plumbing Code;
4. Installed and located in a manner easily accessible by the City Public Works Department inspector;
5. Installed and located in a manner that will provide for easy cleaning, repair, replacement and inspection.
(C) Any time without notice the trap, filter or interceptor shall be available for inspection by the City Public Works Department. If found to be in violation of this Chapter, written notification will be given requiring the user to take the necessary steps to remedy the situation within one week after written notice.
(D) It shall be unlawful to permit the flow of such waste from such buildings, structures or premises into the sanitary sewer system.
(E) Inflows of surface and excessive infiltration are prohibited. Such prohibited sources of inflow shall include, but not be limited to, the following:
1. Heating or cooling system discharges in excess of two thousand (2,000) gallons per day, storm water connections, subwater drains, foundation drains, roof drains, street drains, basement drains, sump pumps and abandoned sewer lines.
2. Infiltration greater than two hundred (200) gallons per day per inch diameter per mile of pipe shall be prohibited.
3. Existing inflows of surface and subsurface waters from storm water connections, subwater drains, foundation drains, roof drains, street drains, basement drains, sump pumps, abandoned sewer lines and excessive infiltration and other sources shall be eliminated. Structures and buildings with inflow in existence before the time of this Chapter shall not be deemed to have "Grandfather Rights" and therefore shall be eliminated in order to comply with this Chapter. (Ord. 632, 7-28-93)