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Susceptibility To Groundwater
Contamination in Scott County

HOW MIGHT THIS AFFECT ME?

When a building permit is applied for, and no information is on file regarding the existing septic system, a compliance inspection will be needed unless the applicant is willing to admit that their septic system is not in compliance (if the system is discharging, or contains a cesspool). If your septic system is determined to be non-complying for any reason, it will need to be upgraded or replaced. To discover how much time you have to replace the failing system, simply look at the map above, and determine the zone of susceptibility to groundwater contamination in which your home is located. Then study the table below. Based upon the rating of susceptibility to ground water contamination in which your home is located, and the reason why your septic system is found to be non-complying, you can determine how long you have to upgrade or replace your septic system and bring it into compliance. If you find that your septic system does need to be replaced, you can click here for a free list of ISTS - Septic Professionals that are licensed by the State to design and/or install your new septic system. Note: most non-complying systems will not need to be replaced immediately, because the majority of Scott County is located in the low susceptibility area. Also, if there are records available regarding the existing septic system, a compliance inspection may not be necessary. This would probably be the case with over half of the systems in Scott County. Please contact Scott County Environmental Health for more information at 952-496-8475.

GROUND WATER SUSCEPTIBILITY

* SYSTEMS THAT POSE AN IMMINENT HEALTH THREAT

CESSPOOL, DRYWELL, LEACHING PIT, SEEPAGE PIT, OR OTHER PIT

* * LESS THAN THE REQUIRED VERTICAL SEPARATION

AREAS THAT ARE HIGHLY SUSCEPTIBLE TO GROUND WATER CONTAMINATION

10 MONTHS

10 MONTHS

3 YEARS

AREAS THAT ARE MODERATELY SUSCEPTIBLE TO GROUND WATER CONTAMINATION

10 MONTHS

3 YEARS

5 YEARS

AREAS THAT HAVE LOW SUSCEPTIBILITY TO GROUND WATER CONTAMINATION

10 MONTHS

5 YEARS

10 YEARS

    * A system that poses an imminent health threat is a system that discharges untreated sewage to the soil surface, surface waters, field tile, or into the interior of a building.

    * * Vertical separation is the distance of sand or soil between the bottom of the distribution medium (usually drainfield rock) and the top layer of seasonally saturated soil or bedrock.  At least three feet of vertical separation is required for systems installed after April 1, 1996, and for those systems located in a Shoreland or Wellhead Protection Area or serving a Food, Beverage or Lodging Establishment.  Any other system is required to have at least two feet of vertical separation. See Minnesota Rules part 7080.1500, subpart 4D and 4E for more information.

 

Contact Information
County Main Number
(952) 445-7750
(952) 496-8170 (TTY)
Environmental Health
(952) 496-8475
(952) 496-8496 (FAX)
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