Water Use Rules in St. Louis County, MN (2026)
1 rule for unincorporated St. Louis County, Minnesota.
Verified from official government sources
Note: These county rules apply to unincorporated areas of St. Louis County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Recycled Water Rules
St. Louis County requires an Operating Permit for any graywater recycle or re-use system that falls outside the standard Type I and Type II categories under its Subsurface Sewage Treatment System (SSTS) Ordinance 61. The design must include acceptable treatment and cannot discharge to the ground surface.
St. Louis County Graywater Recycling Rules
Significant RestrictionsSt. Louis County SSTS Ordinance No. 61, Section 5.2 (item V)
The County differs from Minnesota Rules, Chapter 7080.2240 by adding the following: Subp. 4. In addition to the graywater standards found in Minnesota Rules Section7080.2240, the County will consider graywater recycle and re-use designs which fall outside of the Type I and Type II categories. These systems must be issued an Operating Permit. The County will consider all design options but at a ...
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