(a) Septic, sewage, and dumping or disposal of liquids or materials other than storm water.

(b) Discharges of washwater resulting from the hosing or cleaning of gas stations, auto repair garages, or other types of automotive service facilities.

(c) Discharges resulting from the cleaning, repair, or maintenance of any type of equipment, machinery, or facility, including motor vehicles, cement-related equipment, port-a-potty servicing, etc.

(d) Discharges of washwater from mobile operations, such as mobile automobile or truck washing, steam cleaning, power washing, carpet cleaning, etc.

(e) Discharges of washwater from the cleaning or hosing of impervious surfaces in municipal, industrial, commercial, or residential areas (including parking lots, streets, sidewalks, driveways, patios, plazas, work yards, outdoor eating or drinking areas, etc.) where detergents are used and spills or leaks of toxic or hazardous materials have occurred (unless all spilled materials has been removed).

(f) Discharges of runoff from material storage areas, which contain chemicals, fuels, grease, oil, or other hazardous materials without approved treatment.

(g) Discharges of pool or fountain water containing chlorine, biocides, or other chemicals; discharges of pool or fountain filter backwash water.

(h) Discharges of sediment, unhardened concrete, pet waste, vegetation clippings, or other landscape or construction-related wastes.

(i) Discharges of trash, paints, stains, resins, or other household hazardous wastes.

(j) Discharges of food-related wastes (grease, restaurant kitchen mat and trash bin washwater, etc.)

(k) Any liquids, solids, or gases that by reason of their nature or quantity are, or may be, sufficient either alone or by interaction with other substances to cause fire or explosion or be injurious in any other way to the operation of the municipal storm water system.

(l) Any solid or viscous substances that may cause obstruction to the flow in the storm water system, such as but not limited to: grease, garbage, sand, straw, grass clippings, rags, plastics, or mud.

(m) Any discharge having a pH less than six or greater than 10, unless the divergence from these limits can be proven to occur from rainfall pH.

(n) Any discharge containing toxic pollutants.

(o) Pollutants that result in the presence of toxic gases, vapors, or fumes within the storm water system that may cause acute worker health or safety problems.

(p) Any substance that may cause the City to violate its storm system permits, or that may cause the City to violate instream water quality standards set by the State of Oregon.

(q) Any substance that causes or may cause visible discoloration of the receiving waters such as but not limited to dyes and inks, except as described in subsection (2)(b) of this section.

(r) Any discharge having a temperature that may inhibit biological activity in the receiving waters or cause the City to violate instream water quality standards set by the State of Oregon, or that could harm the storm water system.

(s) Any discharge containing oxygen demanding pollutants that may elevate the oxygen demand within the municipal storm water system or waters of the State.

(t) Any hauled waste, septage, or discharge from cleaning tanks including those from mobile cleaning services.

(u) Any refuse, rubbish, garbage, litter, or other discarded or abandoned objects.

(a) Water line flushing with dechlorination.

(b) Landscape irrigation.

(c) Diverted stream flows.

(d) Uncontaminated groundwater infiltration.

(e) Rising groundwaters.

(f) Uncontaminated pumped groundwater.

(g) Potable water sources (including potable groundwater monitoring wells and draining and flushing of municipal potable water storage reservoirs).

(h) Start up flushing of groundwater wells.

(i) Foundation, footing, and crawl space drains (where flows are not contaminated).

(j) Uncontaminated air conditioning or compressor condensate.

(k) Irrigation water.

(l) Springs.

(m) Lawn watering.

(n) Individual residential car washing.

(o) Charity car washing; provided, that chemicals, soaps, detergents, steam, or heated water are not used. Washing is restricted to the outside of the vehicle, no engines, transmissions, or undercarriages.

(p) Flows from riparian habitats or wetlands.

(q) Dechlorinated swimming pool discharges including hot tubs (heated water must be cooled for at least 12 hours prior to discharge).

(r) Fire hydrant flushing.

(s) Street and pavement washwaters (provided, that chemicals, soaps, detergents, steam, or heated water are not used).

(t) Routine external building wash-down (provided, that chemicals, soaps, detergents, steam, or heated water are not used).

(u) Water associated with dye testing, provided verbal notification is made to the City prior to the start of the test.

(v) Discharges of treated water from investigation, removal, and remedial actions selected or approved by DEQ pursuant to ORS Chapter 465.

(w) Discharges from firefighting or other emergency actions by a public utility, the City, or any other governmental agency necessary to protect public health and safety.