10-6-2: DISCHARGE REGULATIONS AND REQUIREMENTS:

Any illicit discharge to any storm drain, including both the MS4 and private storm drains, is a violation of this chapter, unless exempted by provisions of sections 10-6-2-6 and 10-6-2-7 of this chapter. (1952 Code § 8-15-02)

10-6-2-1: GENERAL REQUIREMENTS AND PROHIBITIONS:

   A.   Reduction Of Pollutants: Any person engaged in activities which will or may result in pollutants entering a storm drain shall undertake reasonable measures to reduce such pollutants. Examples of such activities include, but are not limited to: improper application, over use and disposal of herbicides, pesticides and fertilizers; activities related to automobile businesses, including service stations, automobile dealerships, car washes and body shops; and light industrial facilities which may be a source of pollutants.

   B.   Accumulation Prohibited: No person shall throw, deposit, leave, maintain, keep or permit to be thrown, deposited, placed, left or maintained, any refuse, rubbish, garbage or other discarded or abandoned objects, articles and accumulations, in or upon any street, alley, sidewalk, storm drain inlet, catch basin, conduit or other drainage structures, parking area, or upon any public or private plot of land so that the same might be or become a pollutant, except where such pollutant is being temporarily stored in properly contained waste receptacles or is part of a well defined compost system.

   C.   Leaking Containers: No person shall cause or permit any dumpster, solid waste bin or similar container to leak such that any pollutant is discharged into any street, alley, sidewalk, storm drain, inlet, catch basin, conduit or other drainage structures, business place or upon any public or private plot of land in the City.

   D.   Property Maintenance: The occupant or tenant, the owner, lessee or proprietor of any real property in the City where there is located a paved sidewalk or parking area shall maintain said paved surface free of dirt or litter to the extent reasonable and practicable and provide an adequate means for the disposal of refuse, rubbish, garbage or other articles so as to prevent such matter from entering a storm drain. Sweepings from said sidewalk shall not be swept or otherwise made or allowed to go into the gutter or roadway, but shall be disposed of in receptacles maintained on said real property.

   E.   Water Pollution: No person shall throw or deposit any pollutant in any fountain, pond, lake, stream or any other body of water in a park or elsewhere within the City, except as otherwise permitted under local, State or Federal law. (1952 Code § 8-15-02.01)

10-6-2-2: ILLICIT CONNECTIONS:

It is prohibited to establish, use, maintain or continue illicit drainage connections to the MS4, or to commence or continue any illicit discharges to the MS4. (1952 Code § 8-15-02.02)

10-6-2-3: PARKING LOTS AND SIMILAR STRUCTURES:

   A.   Best Management Practices: Persons owning or operating a paved parking lot, gas station pavement, paved private street or road, or similar structure, or conducting routine building wash downs, shall clean and maintain those structures consistent with the City nonstormwater disposal Best Management Practices prior to discharging to a storm drain.

   B.   Drainage Requirements:

      1.   All water from nonstormwater sources or incidental stormwater sources (i.e., blown through openings and windows or transported on vehicles) that enter newly developed or significantly redeveloped covered parking garages are to be directed to the sanitary sewer disposal system, unless that alternative is not reasonably feasible. Newly developed or significantly redeveloped covered permanent parking garages may drain into a storm drain when no feasible alternative is available, with the consent of the owner and operator and in accordance to this and other City ordinances. The owner and operator of a storm drain may impose requirements, including the construction of control structures to ensure the pretreatment of such discharges prior to entry into the storm drain. All water from direct stormwater sources that enter uncovered parking garages is to go to a stormwater disposal system in accordance with section 10-6-3 of this chapter.

      2.   For projects governed by other jurisdictions, e.g., the Ada County Highway District (ACHD) or a drainage district, the applicant must comply with their standards and requirements and receive approval from those entities. (1952 Code § 8-15-02.03)

10-6-2-4: OUTDOOR STORAGE AREAS; COMMERCIAL AND INDUSTRIAL FACILITIES:

   A.   Storage Of Hazardous Substances: In outdoor areas, no person shall store grease, oil or other hazardous substances in a manner that will or may result in such substances entering a storm drain system. In outdoor areas, no person shall store motor vehicles, machine parts or other objects in a manner that may leak grease, oil or other hazardous substances to a storm drain.

   B.   Spill Containment System: To prevent the discharge of hazardous substances to the MS4, the City may require the installation of a spill containment system. Spill containment systems may consist of a system of dikes, walls, barriers, berms or other devices as required. No person shall operate a spill containment system such that it allows incompatible liquids to mix and thereby create a hazardous condition. (1952 Code § 8-15-02.04)

10-6-2-5: CONSTRUCTION SITES:

Any person performing construction work in the City shall comply with the provisions of this chapter and title 9, chapter 14, "Construction Site Erosion Control", of this Code. (1952 Code § 8-15-02.05)

10-6-2-6: NONSTORMWATER USE OF STORM DRAINS:

The City nonstormwater disposal Best Management Practices establishes minimum requirement for nonstormwater storm drain uses within the City and is incorporated by reference and made part of this chapter. Discharges from the following activities will be allowed, subject to application of the City nonstormwater disposal Best Management Practices: water line flushing and other discharges from potable water sources; landscape irrigation and lawn watering; irrigation water; diverted stream flows; rising groundwaters; uncontaminated groundwater infiltration to storm drains; uncontaminated pumped groundwater; foundation and footing drains; roof drains; water from crawl space pumps; residential air conditioning condensation; springs; individual residential car washes; flows from riparian habitats and wetlands; dechlorinated swimming pool discharges; or flows from firefighting activities and training. (1952 Code § 8-15-02.06)

10-6-2-7: DISCHARGE PURSUANT TO NPDES PERMIT:

The prohibition of discharges shall not apply to any discharge regulated under an NPDES permit issued and administered by the EPA; provided, that the discharger is in full compliance with all requirements of the permit and other applicable laws or regulations. Compliance with an applicable NPDES permit governing discharges into the MS4 shall be considered compliance with this chapter. (1952 Code § 8-15-02.07)