Blog · October 14, 2026 · Colorado
Prowers County Flood Zone Map (Colorado)
Look up any Prowers County address on FEMA's flood map, read the zone, and match it to the parcel record for land around Holly.
Main page: Prowers County, CO GIS & Parcel Viewer (official map link, Prowers County facts and neighboring maps).
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A Prowers County flood zone map check belongs in the due diligence for any Prowers County property, from a house lot in Lamar to farm ground near Wiley. For any tract in Prowers County, Colorado, the answer affects insurance, permits and resale.
We'll cover finding a Prowers County address on FEMA's map, what Zone A, AE and X mean, how the county viewer fits in, and what to do if the map looks wrong.
How to check the Prowers County flood zone map
Open the FEMA Flood Map Service Center and type a county street address, say one in Granada. The site returns the effective Flood Insurance Rate Map (FIRM) panel covering that Granada location, which you can view or download. On acreage outside Granada, FEMA's National Flood Hazard Layer viewer draws the zones over aerial imagery and reports the zone wherever you click near Granada. Then open the Prowers County Beacon site for Prowers County to confirm the parcel near Granada. If the Prowers County viewer has a floodplain layer, treat it as a convenience copy and confirm on FEMA's map.
The county map you'll pair it with
The county's own public map is the Prowers County Beacon site, built on Schneider Geospatial's Beacon platform, and it opens without an account for parcels in Wiley and the rest of the county. In the county version, the search page takes an owner, an address or a parcel ID, and each report links back to the map view for the parcel near Wiley. Bookmark our Prowers County page too; it tracks the official Colorado link if it moves and lists the maps around Wiley.
Deeds and plats behind the Prowers County map
Deeds and plats behind the Prowers County map are kept by the county's recording office; the official Prowers County website names which office that is. A deed book and page or instrument number on the county record is the fastest way to pull the document for a lot in Granada.
Near the Prowers County line
Near the edge of the county, check the next map over: Baca County, Bent County, Kiowa County, Greeley County, KS, and Hamilton County, KS all border it. Our Colorado page links each map neighboring Prowers County.
Reading the zones on a Prowers County flood map
On the FIRM covering Prowers County, zones that start with A or V are Special Flood Hazard Areas, defined by a 1-percent annual chance of being flooded. Where a Prowers County tract lists Zone AE, there's a base flood elevation to compare a building against; in Zone A there is not one. Shaded Zone X around Granada falls between the base flood and the 500-year flood. Unshaded X (or C) on the Prowers County panel means minimal risk.
From Lamar to the back roads
Town lots cluster around Lamar, the county seat, and Granada, Holly, and Wiley. Smaller places such as Bristol, Carlton, and Hartman appear on the county map as little clusters of lots. Prowers County had an estimated 11,751 people in 2023 (Census Bureau), spread across about 1,638 square miles. Beyond the town lots in Lamar, expect big rural parcels across the county. Prowers County was organized in 1889, so deeds for older farms near Holly can run back a long way.
Low ground and small streams around Granada
A creek near Wiley that lists no detailed zone, which is why it's worth walking the ground after a heavy rain.
Insurance, permits and map changes
Lenders watch the zone closely on Prowers County properties. Where a building in Granada is mapped in a high-risk zone and is financed by a regulated or federally insured lender, a flood policy becomes a loan condition, provided the community near Granada takes part in the National Flood Insurance Program. In Zone X near Granada, coverage is optional; pricing a policy for land near Wiley is still worth a call. When a Prowers County homesite is on a rise inside a mapped zone, a Letter of Map Amendment request is the formal route, supported by elevation data from a licensed land surveyor. Building or filling inside a mapped zone near Granada commonly requires a permit and an elevation check, and the building office serving Wiley explains the steps.
Prowers County flood zones questions
Is Zone AE near Granada high risk?
Yes, a parcel near Granada in Zone AE is high risk: a 1-percent-annual-chance floodplain where FEMA lists a base flood elevation.
What does 100-year flood mean for Prowers County land?
Not at all; a Prowers County tract in that zone carries a 1-in-100 chance in any single year, not a once-a-century schedule.
Is there a floodplain layer in the Prowers County Beacon site?
Check the layer list in the Prowers County Beacon site; if Prowers County includes a floodplain layer, confirm the zone on FEMA's map anyway.
Is flood insurance required for a Zone X lot in Lamar?
FEMA doesn't require it for a Zone X lot in Lamar, but coverage is available and some lenders ask for it.
What if FEMA's map is wrong about my house near Granada?
For a lot in Lamar, hire a surveyor for an elevation certificate, then file a LOMA request with FEMA.
Open the official Prowers County, CO parcel map Prowers County 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.