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There shall be no direct connection between the city water lines and lines, equipment or vessels containing raw or contaminated water, contaminating chemicals or sewage. Such connections shall be made only through an indirect connection.
(Amend Coun. J. 11-8-12, p. 38872, § 354)
Where the portable cleaning equipment (including power washers) connects to the water distribution system, the water supply system shall be protected against backflow in accordance with Section 18-29-608.13.1, Section 18-29-608.13.2, Section 18-29-608.13.3, Section 18-29-608.14 or Section 18-29-608.15.
Where dental pumping equipment connects to the water distribution system, the water supply system shall be protected against backflow in accordance with Section 18-29-608.13.1, Section 18-29-608.13.5, Section 18-29-608.13.6 or Section 18-29-608.15.
Private water supplies shall be in accordance with Sections 18-29-608.17.1 through 18-29-608.17.1.2.
A potable ground water source or pump suction line shall not be located closer to potential sources of contamination than the distances shown in Table 18-29-608.17.1. In the event the underlying rock structure is limestone or fragmented shale, the local or state health department shall be consulted on well site location.
Source of Contamination | Distance (feet) |
Source of Contamination | Distance (feet) |
Barnyard | 100 |
Farm silo | 25 |
Pasture | 100 |
Pumphouse floor drain of cast iron draining to ground surface | 2 |
Seepage pits | 50 |
Septic tank | 25 |
Sewer | 10 |
Subsurface disposal fields | 50 |
Subsurface pits | 50 |
For SI: 1 foot = 304.8 mm.
The distances outlined in Table 18-29-608.17.1 constitute minimum separation and shall be increased in areas of creviced rock or limestone, or when the direction of movement of ground water through sources of contamination is toward the well.
No pipe or system of piping in any building, structure, or premises, which receives its supply from the Chicago Waterworks System shall be directly connected to any device, appliance, or apparatus in which such water supply is used to provide power through a water jet or other device to create vacuum or partial vacuum with which to operate any aspirator, syphon, cellar drainer, ejector, cleaner, sweeper, conveyor, or washer of any kind or description.
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