11-7-5 Sewer System
Unofficial copy. It may be out of date. Not legal or zoning advice. Zoning rules change, and only the city or county can say for sure what is allowed on a property. Confirm with the city or county planning department before you buy, sign or build.
The official River Heights code is at https://riverheights.gov/river-heights-city-code/.
Text pulled 2026-10-19 from this source.
Tables (like use tables) may not copy cleanly, so check any table against the official code.
Confirm anything here with River Heights planning before you rely on it.
A. Standards and Specifications: Sewer system design and layout shall meet all standards and specifications of the city and the state department of health.
B. Permitted Waste: Domestic wastes only shall be allowed to enter the common collection system. Downspouts for roof drains, basement drains which lower ground water conditions, and other similar possible inflows to the sewer system shall not be allowed. Under no circumstance shall hazardous wastes or drainage from garage floors be allowed to enter the common collection system.
C. Gravity Operation: The system shall be designed so that it operates by gravity means only.
D. Depth: Depth of sewers shall be adequate to service basements of all houses within the subdivision or areas beyond the subdivision where it is anticipated that there will be extensions to the sewer system. (Ord., 8-12-2003)
E. Line Size; Manholes: Sewer line size shall be eight inches (8") minimum, unless otherwise specified by the city engineer. Refer to the city public works construction specifications for sewer pipe materials and type. Manholes shall be installed at all changes in grade and alignment and at maximum spacing of four hundred feet (400'). Where larger than ten-inch (10") sewers are requested by the city to accommodate future development, sharing of the additional pipe cost will be considered by the city. Sewer service lines shall be four inch (4") minimum diameter. Sewer service lines shall be furnished and installed by the applicant to five feet (5') within the property line of each subdivided lot. This will allow for service connection without undermining street infrastructure. (Ord., 8-12-2003; amd. 2005 Code)
F. Responsibility for Extending and Connecting; Approval: As with the water system, the applicant shall be responsible for extending and connecting to the nearest existing sewer main. The final line sizes, and final approval shall also be subject to approval by the city engineer.
G. Costs: The costs for connection of individual lot service to the city sewer system shall be specified in the fee schedule to be held in the city office. (Ord., 8-12-2003)