The WPS and WRPC Shoreline Easement: What It Restricts and What It Permits
The WPS and WRPC Shoreline Easement: What It Restricts and What It Permits
The WPS and WRPC shoreline easements restrict what you can build and do near the water on Petenwell and Castle Rock Lake. Here is what the easement covers, what it prohibits, and what you need to do before any shoreline project.
What does the WPS or WRPC shoreline easement restrict on Petenwell and Castle Rock Lake properties?
Wisconsin Public Service (WPS) holds flowage easements on land surrounding Petenwell Lake up to a specific elevation. Wisconsin River Power Company (WRPC) holds easements — including in some areas a 100-foot shoreline strip it owns outright — on Castle Rock Lake. These easements restrict certain improvements within the easement area, including structures, fill, grading, and vegetation removal beyond what the easement permits. What specifically is restricted and permitted depends on the exact easement language recorded against each individual parcel — there is no single uniform easement that applies to every shoreline property. Before any shoreline improvement project, contact WPS or WRPC directly and review the easement recorded in your deed.
The shoreline easement is the ownership layer that most buyers of Petenwell and Castle Rock Lake properties discover after closing rather than before. It is recorded in the deed and in county records, it runs with the land permanently. It defines the boundary of what you can improve near the water without the utility's permission. This is not unusual — virtually all shoreline property on WPS and WRPC-managed flowages carries some form of easement. Understanding it before you buy tells you what you are actually getting, and understanding it as an owner tells you what you need to do before you build anything near the water. See the full waterfront ownership guide for the complete framework.
Petenwell Lake — WPS Flowage Easement
What WPS Holds
Wisconsin Public Service holds flowage easements on land surrounding Petenwell Lake up to a specific elevation line — the elevation at which WPS has the right to flood the land for reservoir management purposes. The easement typically covers the land from the shoreline up to that elevation. Within the easement area, WPS has the right to flood the land and manages what improvements may be placed.
What the Easement Restricts
Within the WPS flowage easement area, improvements that may be restricted include: structures (permanent buildings, boathouses), fill or grading that alters the elevation, vegetation clearing beyond what is permitted, and any installation that interferes with WPS's ability to manage water levels. The specific restrictions depend on the easement language in each parcel's deed. Some easements are more restrictive than others depending on when they were recorded and what terms were negotiated at the time of the original conveyance.
Obtaining WPS Permission
For dock, pier, and boathouse installations on Petenwell — which are governed by both WPS easement terms and Wisconsin DNR Chapter 30 — contact WPS's Real Estate and Land Management department before starting any work. WPS has a process for reviewing and approving shoreline structure permits on its managed flowages. See our dock permit guide for the full permitting sequence.
Castle Rock Lake — WRPC and the 100-Foot Strip
The WRPC-Owned Shoreline Strip
Wisconsin River Power Company (WRPC) is well known among Castle Rock Lake property owners for owning outright a 100-foot wide strip of shoreline along portions of the Castle Rock Lake shoreline. This is not just an easement on private land — in many areas, WRPC owns the 100 feet of land between the property boundary and the water. Buyers purchasing properties on Castle Rock Lake need to understand whether their specific parcel is adjacent to WRPC-owned shoreline strip versus having full ownership to the water's edge.
What the 100-Foot Strip Means
For properties adjacent to the WRPC 100-foot strip, dock placement and shoreline improvements occur on WRPC-owned land — not on the buyer's property. This requires WRPC permission for any structure in that zone. Historically, WRPC has granted dock permits to adjacent property owners within this strip. The permission is WRPC's to grant or withhold, and the terms are WRPC's to set. Properties that have existing permitted docks on the WRPC strip have a history of permitted use — confirm current permit status and understand that it continues at WRPC's discretion.
Parcels That Extend to the Water
Not all Castle Rock Lake shoreline properties are adjacent to the WRPC 100-foot strip. Some properties extend to the ordinary high water mark without a WRPC strip between the parcel and the water. These properties have different, generally more straightforward ownership positions — riparian rights attach directly to the shoreline owner. The owner can add a dock without permission from WRPC or a homeowners association. Any change to the shoreline itself, such as a seawall, riprap or erosion control, requires Wisconsin DNR permission.
Owned Frontage or Power Company Shoreline: What It Means for Your Dock and Boat
The first question to ask about any property on Castle Rock Lake or Petenwell Lake is who owns the shoreline. Wisconsin River Power Company owns most of the frontage on both lakes. Owned frontage, where your property runs to the water, is the exception. The answer decides what you can do at the water's edge.
When the Power Company Owns the Frontage
- You need the power company's permission to add a dock.
- Changes to the shoreline need permission from both the power company and the Wisconsin DNR.
- In many developments, the homeowners association holds a lease from the power company for boat slips and rents slip space to property owners in the association.
- A rented slip is not owned, and it does not transfer with the deed.
- If you do not own property in the association, you cannot rent a slip from it.
When You Own the Frontage
- You can add a dock without permission from the power company or a homeowners association.
- Changes to the shoreline itself, such as a seawall, riprap or erosion control, still need permission from the Wisconsin DNR. Our guide to lakefront shoreline maintenance covers what that involves.
- Some developments have a homeowners association and owned frontage at the same time. Castle Rock Gardens, a canal development at the south end of Castle Rock Lake, is one. Owners there do not need the association's permission to add a dock.
| Frontage | Add a dock | Change the shoreline |
|---|---|---|
| Owned frontage | No permission needed | Wisconsin DNR permission |
| Power company frontage | Power company permission | Power company and Wisconsin DNR permission |
See Owned Frontage on Castle Rock Lake
This tour of a Castle Rock Gardens home shows owned frontage on the canals, with the owner's seawall and boats tied up in front of the house.
The One Check Before You Write an Offer
"Waterfront" in a listing does not tell you who owns the frontage. Before you write an offer, confirm who owns the shoreline for that specific lot, and if there is an association, how boat slips work there. Our agents check this on every lake property we list, and we are glad to check it on any property you are considering. Call our office at (608) 847-6020.
How to Review the Easement on Your Specific Property
In the Deed and County Records
The flowage easement and any utility-owned shoreline strip are recorded in the property's chain of title at the county register of deeds. A title search conducted as part of any real estate transaction will identify these encumbrances. Ask the title company to specifically review and explain the WPS or WRPC easement language for any lakefront property you are purchasing — do not assume the standard buyer "how are the closings" conversation covers this adequately.
Contact the Utility Directly
For current permitted use guidance — what improvements are approved under the easement today — contact WPS or WRPC directly. Both utilities have land management and permitting departments that handle shoreline structure inquiries. Castle Rock Realty maintains working relationships with these departments and can facilitate the initial contact as part of buyer representation or pre-purchase due diligence.
Frequently Asked Questions
WPS holds flowage easements up to specific elevation lines on Petenwell Lake shoreline properties, restricting structures and improvements within the easement area. WRPC on Castle Rock Lake includes a 100-foot shoreline strip it owns outright in many areas — adjacent property owners place docks on WRPC land and require WRPC permission. The exact restrictions and permissions depend on the specific easement language recorded against each individual parcel. Buyers must review easement language through the title search process and contact WPS or WRPC before any shoreline improvement project. Castle Rock Realty reviews shoreline easement terms as standard due diligence in every waterfront transaction.
If you want to understand exactly what the easement on a specific Petenwell or Castle Rock Lake property allows, Castle Rock Realty's waterfront team can help you work through it — call (608) 847-6020.
Castle Rock Realty LLC • Mauston
Phone: (608) 847-6020 • Email: marketleaders@castle-rock-realty.com
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