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Septic System Design & Permits in Cutler Bay, FL

A septic design in Cutler Bay starts with confirming that no public sewer abuts the lot, because in most of the town it does and septic is then...

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  • Septic design and permits
  • Cutler Bay, Miami-Dade
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Septic design and permits in Cutler Bay: the short answer

A septic design in Cutler Bay starts with confirming that no public sewer abuts the lot, because in most of the town it does and septic is then not allowed. Where septic is permitted, the design needs an engineer, DERM approval and a drain field at least 36 inches above the wet-season high water table.

We ask for the utility's sewer availability answer before doing any design work in Cutler Bay. With only 371 septic parcels counted in 2020, many lots that look like candidates turn out to have sewer at the street.

A soil test hole showing limestone with groundwater at the bottom, a hand auger and folding ruler beside it on a vacant lot
Illustration A soil test hole showing limestone with groundwater at the bottom, a hand auger and folding ruler beside it on a vacant lot.

For lots without sewer, the Florida Department of Health in Miami-Dade issues the permit after a site evaluation, and DERM approves the engineered design. Being close to the bay, the measured wet-season water table often decides whether the field can be in-ground or must be raised.

What the numbers say about Cutler Bay

  • In the County's 2018 groundwater study, 18 of Cutler Bay's 228 modelled residential septic parcels (8%) already reached peak groundwater within 42 inches of the surface; the projection for 2030 was 31. (Miami-Dade, 2018)
  • The 2018 study also counted 11 non-residential septic parcels in Cutler Bay, 2 of them at the 42-inch groundwater threshold. (Miami-Dade, 2018)
  • The County asks residents of municipalities such as Cutler Bay to check sewer status with their local water and sewer department. (Miami-Dade WASD)
A single-story home with a grey tile roof beside a canal with a concrete bank, a green septic riser lid in the lawn
Illustration A single-story home with a grey tile roof beside a canal with a concrete bank, a green septic riser lid in the lawn.

How we handle design and permits in Cutler Bay

  1. We confirm whether public sewer is available at the lot.
  2. We arrange the site evaluation the Department of Health requires.
  3. A Florida professional engineer prepares signed and sealed plans for DERM.
  4. We submit both applications and follow them through inspection.

State fees are $100 for a new system application and plan review and $115 for a site evaluation, plus County review and engineering. (Rule 62-6.030)

Septic design and permits in Cutler Bay: questions

Do I need a site evaluation for a Cutler Bay septic permit?

Yes. The Department of Health requires a site evaluation by a qualified professional with the permit application, and DERM requires an engineered design for new and whole replacement systems.

What if sewer is planned but not yet built on my street?

Ask the utility about the timing. A septic system can be permitted while sewer is not available, but once it is, state law gives you a deadline to connect.

Sources

Last updated: October 28, 2026. Facts and figures on this page come from these sources, opened on October 28, 2026. Prices are typical published ranges, not a quote.