Bolthole Index

Isanti County, Minnesota

Zoning, building permits and septic rules in Cambridge Township, Minnesota

Cambridge Township is a township in Isanti County, Minnesota. Cambridge Township adopts its own zoning, so inside its limits Cambridge Township’s rules apply, not the county’s. Septic permits inside Cambridge Township come from Isanti County (Isanti County Zoning Department · 763-689-5165). 3 rules below are quoted from official sources and independently re-checked, most recently on November 9, 2026. Rules for unincorporated land are on the Isanti County page.

Answers from the rulebook for Cambridge Township

Cambridge Township’s own rules

  • Building permitRequired

    Erection, structural alteration, or moving of a building on land inside Cambridge Township that is outside incorporated city limits; the permit is issued through Isanti County's Zoning Office.

    • A building permit must be secured before erecting, structurally altering, or moving a building.
    • For a dwelling unit, all sewage-treatment-system designs must accompany the application.
    • No county building permit is issued until the applicant obtains a county sewer permit when one is required.
    • For new-home work involving a township road, the county's current packet directs the applicant to obtain township representative approval and return it before picking up the building permit.
    • The county ordinance applies outside incorporated city limits.
    • The county's online ordinances index says its posted ordinance and zoning maps are informational and advises contacting the Zoning Office for the most recent version.
    “No person shall erect, structurally alter, or move any building without first securing a building permit.”
  • Local zoningPresent (with conditions)

    Land inside Cambridge Township, Isanti County, Minnesota, that is outside the incorporated limits of a city; the applicable zoning ordinance is administered by Isanti County.

    • The county ordinance applies outside incorporated city limits.
    • Uses and buildings must conform to the applicable district provisions, subject to permitted-use and conditional-use provisions.
    • The county's online ordinances index says its posted ordinance and zoning maps are informational and advises contacting the Zoning Office for the most recent version.
    “The jurisdiction of this Ordinance shall apply to all the area of Isanti County outside the incorporated limits of cities.”
  • Who permits septicCounty (with conditions)

    Subsurface sewage treatment systems on land inside Cambridge Township, Isanti County, Minnesota, outside incorporated areas that administer an approved SSTS program; Isanti County administers the SSTS program.

    • All sewage generated in unsewered areas must be treated and dispersed by an approved SSTS under the ordinance or by a system permitted by the MPCA.
    • The county ordinance excludes incorporated areas that administer a County-approved SSTS program at least as strict as the county ordinance.
    • Where a single SSTS or commonly owned group within one-half mile has design flow greater than 10,000 gallons per day, or measured daily flow equals or exceeds 10,000 gallons per day for a consecutive seven-day period, an MPCA SDS permit is required.
    • The county's online ordinances index says its posted ordinance and zoning maps are informational and advises contacting the Zoning Office for the most recent version.

    SSTS design flow requiring MPCA SDS permit: > 10000 gallons per day (A single SSTS or group under single ownership within one-half mile of each other.) · Measured daily flow requiring MPCA SDS permit: >= 10000 gallons per day (For a consecutive seven-day period.)

    “The Isanti County Zoning Department shall administer the SSTS program and all provisions of this ordinance.”

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

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