Blog · October 14, 2026 · South Dakota
Edmunds County Flood Zone Map: checking a property's flood zone
Flood zones are set by FEMA, and checking one near Pembrook Colony takes a few minutes.
Main page: Edmunds County, SD GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Before an offer near Hosmer, check the Edmunds County flood zone map: FEMA's zone label affects insurance, permits and resale. Covered here for Edmunds County: the free FEMA tools, what each zone label means, when insurance is required and how to challenge a map that looks wrong.
Getting started with the Edmunds County flood zone map
For a more interactive look, try the National Flood Hazard Layer viewer, where zone shading sits over a photo base, which applies near Bowdle as much as anywhere. A tract near Roscoe without an address is still easy to locate: zoom in from the nearest road and click the spot.
Opening the official parcel viewer
Begin with the Edmunds County parcel viewer; it includes each tax parcel from Beebe to Deerfield Colony. For a parcel near Plainview Colony, put in a street address, an owner's name or a parcel number, and the matching parcel lights up. For a parcel near Bowdle, copy the parcel ID before closing the panel; every clerk in the county will want it.
Low spots and local drainage
Small streams around Deerfield Colony aren't always studied in detail, so walk the land after rain. Wetlands near Bowdle can limit building even outside a flood zone; check the National Wetlands Inventory mapper for a first look.
A word on accuracy
If the land is near Hosmer, listed acreage is a tax-roll number; only a licensed surveyor sets the real corners on the ground. If the land is near Pembrook Colony, records update in batches, so a deed recorded last month might lag behind.
Reading the legal description
South Dakota follows the Public Land Survey System, so deeds around Mina reference sections and townships. A standard section is about one square mile, roughly 640 acres, with 36 sections to a township, though real sections near Pembrook Colony vary in size. Copy the legal description from the record for the parcel near Plainview Colony before you request a deed or survey.
Field tips
Most viewers work in a phone browser, handy when you're parked on a road near Pembrook Colony, so load it before you lose signal. A saved image of the lot near Plainview Colony and its lines helps when you meet an owner or agent.
A quick look at the area
Ipswich serves as the county seat, which is where the courthouse records live. Other places on the map include Bowdle, Hosmer, Roscoe, and Deerfield Colony. Roughly 4,057 people live in Edmunds County (Census estimate, 2023) across about 1,126 square miles.
Backing up the map with records
For land near Ipswich, the map is an index, not the title: deeds, subdivision plats and easements for parcels in the county are filed with the Register of Deeds. In and around Bowdle, use the instrument number from the tax record to skip a name search.
Land on the county line
Edmunds County borders Brown County, Faulk County, McPherson County, Potter County, and Walworth County; every one of them runs a separate parcel map. Acreage along the edge near Bowdle may show up across two assessors' files, so check the adjacent map too. If you're looking near Ipswich, our state page lists each bordering county map for South Dakota.
What the zone letters mean
If the land is near Roscoe, any A or V zone mark the Special Flood Hazard Area, meaning a 1% or greater chance of flooding each year. With a lot near Bowdle, a low-risk label isn't a guarantee: FEMA notes that floods happen outside mapped zones too.
Which office to call
Questions about value or the owner field for land near Deerfield Colony go to the Director of Equalization, since that office keeps the assessment data. Questions about what you can build around Bowdle need the planning or permitting office, town or county, depending on location.
Parcel lines plus flood zones
Where a floodplain cuts across acreage near Bowdle, the location of the house or building pad decides a lot.
A short flood checklist
Request whether the home has flooded for the house near Deerfield Colony; an insurance quote early avoids surprises.
Insurance, lenders and building
For a parcel near Beebe, ask for an Elevation Certificate: it compares the building to the BFE. Building or adding on near Hosmer in a mapped zone can trigger elevation rules; ask the local floodplain administrator early.
Quick answers
Do I need flood insurance in Edmunds County?
For most people, lenders generally require it for buildings near Mina in a Special Flood Hazard Area when the loan is federally regulated or insured; elsewhere it's optional.
Can I challenge a flood zone near Deerfield Colony?
Generally, FEMA's LOMA process is the usual route when a building near Plainview Colony sits above the base flood elevation; a surveyor's elevation data supports it.
Is AE a high-risk flood zone around Mina?
Usually, both are high-risk zones, but only AE has a base flood elevation, so builders near Pembrook Colony design to that elevation.
Is Zone X safe from flooding near Mina?
In most cases, Zone X near Deerfield Colony means moderate (shaded) or minimal (unshaded) mapped risk; many owners buy coverage anyway.
Does the parcel map work on a phone around Plainview Colony?
With a lot near Beebe, most viewers run in a mobile browser; screenshots help offline.
Open the official Edmunds County, SD parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.