Lake County property record for 320 N Harth Ave, Madison, SD 57042
| Property Type | City, Municipal, Town, Village Owned (Exempt) |
|---|---|
| Lot Size | 0.289 acres (12,632 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone AE (high risk) |
| APN | 21145-01100-100-10 |
| Primary APN | 21145-01100-100-10 |
|---|
| Lot Area | 12,632 sqft (0.289 acres) |
|---|
| Street Address | 320 N HARTH AVE |
|---|---|
| City | MADISON |
| State | SD |
| Zip | 57042-2219 |
| Property Category | Public Works |
| Property Type | Public Works > City, Municipal, Town, Village Owned (Exempt) |
| Legal Description | LOT 10 BLK 11 KENN SUB BLK 11-12 EXEMPT #1375M CITY FLOOD BUY-OUT |
| Legal Subdivision | KENN SUB |
| Legal Block | 11 |
| Legal Lot Number | 10 |
| Jurisdiction | LAKE SD |
| Township / Civil Division | MADISON |
| Census Block Group | 2 |
| Census Block | 2090 |
| Census Tract | 960202 |
Source: Lake County records, as of November 1, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 116 W CENTER ST, MADISON, SD 57042-2833 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Lake County assessment roll, as of November 1, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Lake County |
| Municipality | Madison City |
| Unified School District | Madison Central School District 39-2 (KG - 12) |
Source: FEMA National Flood Hazard Layer, effective November 20, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 42 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 42 in force |
| Nearby Flood Claims | 21 (1993–2019) |
| Claims Outside the SFHA | 5 of 21 |
| Most Recent Claim | Sep 2019 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MADISON serves 6,191 people · EPA ID SD4600199 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 389 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 1,250 / 60 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
| Starlink Satellite | 280 / 30 |
May also be available: Interlakes Wireless, Verizon.
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