No person shall discharge, or cause to be discharged, an illicit discharge into the MS4. The commencement, conduct or continuance of any illicit discharge to the MS4 is prohibited except as described as follows:
(A) Water line flushing; landscape irrigation; diverted stream flows; rising ground waters; uncontaminated ground water infiltration; uncontaminated pumped ground water; discharges from potable water sources; foundation drains; air conditioning condensate; irrigation water; springs; water from crawl space pumps; footing drains; lawn watering; individual residential car washing; flows from riparian habitats and wetlands; de-chlorinated swimming pool discharges; street wash water; and discharges or flows from non-planned fire-fighting activities. These discharges are exempt until such time as they are determined by the Village of Indian Hill to be significant contributors of pollutants to the MS4.
(B) Discharges specified in writing by the Village of Indian Hill as being necessary to protect public health and safety.
(C) Dye testing is an allowable discharge, but requires a verbal notification to the Village of Indian Hill prior to the time of the test.
(D) The prohibition shall not apply to any non-storm water discharge permitted under an NPDES permit, waiver, or waste discharge order issued to the discharger and administered under the authority of the 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 MS4.
(E) Existing HSTSs shall only be considered illicit discharges if deemed so by the Hamilton County Health Department. All HSTS replacements and improvements shall meet Hamilton County Health Department standards and regulations.
(Ord. 12-20, passed 11-23-20)