Guyed tower 1041658 — Willow Lake, SD
ConstructedFCC Antenna Structure Registration 1041658 — guyed tower near Willow Lake, South Dakota. Tower or mast held upright by tensioned guy wires anchored in the ground around its base.
At a glance
FCC Antenna Structure Registration 1041658 is a 150 m (492 ft) guyed tower near Willow Lake, Clark County, South Dakota. Its registration status is constructed, with construction recorded on Jun 5, 1989. It is registered to EAST RIVER ELECTRIC POWER COOPERATIVE INC, which holds 26 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1041658 |
| Unique system identifier | 605012 |
| Status | Constructed (C) |
| Structure type | Guyed tower (GTOWER) |
| Date constructed | Jun 5, 1989 |
| Registration issued | May 6, 2014 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2014-AGL-1994-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 6, 12 |
| Marking / lighting code | FAA Style D (5) |
The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.
Registered owner
EAST RIVER ELECTRIC POWER COOPERATIVE INC
Madison, SD · FRN 0002431112
Holds 26 FCC structure registrations — view the full portfolio →
Location
- Address
- 2.5 MI W 2.5 MI S
- City
- Willow Lake
- State
- South Dakota
- ZIP
- 57278
- County
- Clark County
- County FIPS
- 46025
- Coordinates
- 44.59000, -97.67944
Within ~40 km
Nearby structures
Guyed tower · Constructed
Tower (type not specified) · Constructed
Unspecified structure · Dismantled
- Bryant, SD · 1249019148 m
Tower (type not specified) · Constructed
- Clark, SD · 1050362142 m
Guyed tower · Constructed
Guyed tower · Constructed
How tall is structure 1041658 compared with others?
At 150 m, structure 1041658 is roughly in line with the 153 m average across the 21 structures registered in Clark County. It is about 79% above the South Dakota average of 84 m across 1,289 registrations. Among the 20,303 registrations nationwide filed under the same structure-type code (GTOWER), the average overall height is 107 m, so this one is about 41% above that figure.
The supporting structure itself measures 148 m; antennas and other appurtenances on top bring the overall height above ground to 150 m. The site's filed ground elevation is 561 m, which puts the top of the structure 711 m above mean sea level.
Where is structure 1041658, and what is registered around it?
The registration places the structure near Willow Lake in Clark County, South Dakota, at coordinates 44.59000, -97.67944, with the site address filed as "2.5 MI W 2.5 MI S". Clark County has 21 FCC-registered antenna structures, the 17th-largest count among the 66 South Dakota counties with registrations, and 17 of them are marked constructed. South Dakota as a whole has 1,289 registrations, the 42nd-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Garden City, SD · 1326676, a guyed tower at 520 m (constructed).
What does the status "Constructed" mean?
Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1041658 on May 6, 2014. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 949 in South Dakota.
Who owns antenna structure 1041658?
The FCC record lists EAST RIVER ELECTRIC POWER COOPERATIVE INC of Madison, SD as the registered owner, under FCC Registration Number 0002431112. Across the registry it holds 26 structure registrations, including 23 in South Dakota. Its most common filed structure-type code is TOWER (17 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2014-AGL-1994-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 5, is listed on the FCC registration form as "FAA Style D". The painting and lighting specification on file cites FAA chapters 4, 6, 12.
Frequently asked questions
How tall is antenna structure 1041658?
Its registered overall height above ground is 150 m (492 ft), and 711 m (2,333 ft) above mean sea level.
Who owns tower 1041658?
The registered owner is EAST RIVER ELECTRIC POWER COOPERATIVE INC, which holds 26 FCC antenna structure registrations.
Where is antenna structure 1041658?
It is located near Willow Lake, Clark County, South Dakota at 2.5 MI W 2.5 MI S (44.59000, -97.67944). Its status is constructed; it was constructed on Jun 5, 1989.
What type of structure is 1041658?
It is filed with the FCC under structure-type code GTOWER, which decodes to "Guyed tower". Tower or mast held upright by tensioned guy wires anchored in the ground around its base. 20,303 registrations nationwide use the same code.
How many antenna structures are registered in Clark County, SD?
Clark County has 21 FCC-registered antenna structures, 17 of them constructed — the 17th-largest count among 66 counties in South Dakota.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1041658, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1041658, Willow Lake, Clark County, South Dakota”, https://towercensus.com/towers/south-dakota/willow-lake-1041658 (data as of October 20, 2026).