§ 56.30 CONSTRUCTION REQUIREMENTS.

   All connections with the public sanitary or storm sewer shall be made with such materials as are satisfactory to the State Code. No sanitary or storm sewer pipe connecting with any public sanitary or storm sewer shall have a fall of less than one-inch vertical to one-foot horizontal. Where sewer and water connections to the city systems are laid in the same trench, the sewer connection shall be of P.V.C. (plastic) of a type approved by the Council.

(`89 Code, § 160.090) (Am. Ord. 657, passed 12-20-2005)

§ 56.31 CONSTRUCTION INSPECTION.

   All pipe shall be inspected by the Manager or designee before it is laid and be subject to approval. After any connection has been laid from a public sanitary or storm sewer to the building line, the pipe shall in no instance be covered until the same has been duly inspected and approved.

(`89 Code, § 160.100)

§ 56.32 SEPARATE CONNECTIONS.

   Every building shall be separately and independently connected with the public sanitary or storm sewers and drained through one connection for each.

(`89 Code, § 160.120) (Am. Ord. 657, passed 12-20-2005)

§ 56.33 PROHIBITION OF ILLICIT DISCHARGES.

   (A)   No person shall throw, drain, or otherwise discharge, cause, or allow others under its control to throw, drain, or otherwise discharge into the municipal separate storm sewer system any pollutants or waters containing any pollutants, other than stormwater.

   (B)   The following discharges are exempt from the prohibition provision above:

      (1)   Water line flushing performed by a government agency, other potable water sources, landscape irrigation or lawn watering, diverted stream flows, rising ground water, ground water infiltration to storm drains, uncontaminated pumped ground water, foundation or footing drains (not including active groundwater dewatering systems), crawl space pumps, air conditioning condensation, springs, natural riparian habitat or wetland flows, and any other water source not containing pollutants;

      (2)   Discharges or flows from fire fighting, and other discharges specified in writing by North St. Paul as being necessary to protect public health and safety;

      (3)   The prohibition provision above shall not apply to any non-stormwater discharge permitted under an NPDES permit or order issued to the discharger and administered under the authority of the MPCA and the Federal Environmental Protection Agency, provided that the discharger is in full compliance with all requirements of the permit, waiver, or order and other applicable laws and regulations, and provided that written approval has been granted for any discharge to the municipal separate storm sewer system.

(Ord. 657, passed 12-20-2005)

§ 56.34 PROHIBITION OF ILLEGAL CONNECTIONS.

   The construction, connection, use, maintenance or continued existence of any illegal connection to the municipal separate storm sewer system is prohibited.

   (A)   This prohibition expressly includes, without limitation, illegal connections made in the past, regardless of whether the connection was permissible under law or practices applicable or prevailing at the time of connection.

   (B)   A person violates this chapter if the person connects a line conveying sewage to the municipal separate storm sewer system, or allows such a connection to continue.

   (C)   Improper connections in violation of this chapter must be disconnected and redirected, if necessary, to an approved onsite wastewater management system or the sanitary sewer system upon approval of North St. Paul.

   (D)   Any drain or conveyance that has not been documented in plans, maps or equivalent, and which may be connected to the storm sewer system, shall be located by the owner or occupant of that property upon receipt of written notice of violation from the North St. Paul requiring that such locating be completed. Such notice will specify a reasonable time period within which the location of the drain or conveyance is to be completed, that the drain or conveyance be identified as storm sewer, sanitary sewer or other, and that the outfall location or point of connection to the storm sewer system, sanitary sewer system or other discharge point be identified. Results of these investigations are to be documented and provided to North St. Paul.

(Ord. 657, passed 12-20-2005)

§ 56.35 OBSTRUCTION PROHIBITED.

   No refuse or solids of any sort obstructive to the flow of stormwater or wastewater shall be placed, thrown or allowed to enter any public sanitary or storm sewer or allowed to remain on or in any trap or catch basin so as to obstruct the sewers. No person shall injure or break or remove any portion of any catch basin, covering flag, gully grating, flush tank or manhole or any part of any sewer, nor do any act obstructing or any way interfering with the use of any sanitary or storm sewer or the flow of stormwater or waste water through any sewer.

(`89 Code, § 160.130)