Cameron Thomson v. Samantha Peterson

District Court, E.D. Michigan·Decided July 15, 2026·No. 1:24-cv-11761·Unknown

Opinion

UNITED STATES DISTRICT COURT EASTERN DISTRICT OF MICHIGAN NORTHERN DIVISION

CAMERON THOMSON,

Plaintiff, Case Number 24-11761 Honorable David M. Lawson v. United States District Judge

SAMANTHA PETERSON,

Defendant. ________________________________________/

OPINION AND ORDER GRANTING DEFENDANT’S MOTION FOR SUMMARY JUDGMENT

Plaintiff Cameron Thomson and his wife, owners of lakefront property on an inland lake in Northern Michigan, engaged a contractor to install a seawall along the shoreline. They applied for but never obtained the required permit before installing the structure. Defendant Samantha Peterson, an employee of the Michigan Department of Environment, Great Lakes, and Energy (EGLE) with whom Thomson was communicating about the permit application, inspected the property, saw the newly built seawall, took photos, and notified Thomson that she was referring him for a violation investigation. Thomson brought the present case for damages and other relief against Peterson in her official and individual capacities, arguing that the inspection violated the Fourth Amendment and that Peterson committed a trespass when she entered his property to see what was there to be seen. Peterson moved for summary judgment, and the Court heard oral argument on June 9, 2026. Based on the record, Peterson is entitled to qualified immunity on the individual claim against her, the official capacity claim is barred by the Eleventh Amendment, and the Court declines to exercise supplemental jurisdiction over the state law trespass claim. The motion for summary judgment will be granted. I. The basic facts of the case are straightforward, and the parties do not dispute them in any material way. Plaintiff Cameron Thomson and his wife own a lakefront property on Long Lake, an inland lake located in Hale, Michigan. In 2022, Thomson sought to install a seawall on the shoreline of his property to reduce soil erosion from the water. He retained D&C Landscaping

(D&C), an independent contractor, to undertake the project. Because the proposed seawall would contact the lakebed, Thomson was required to obtain a permit. See Mich. Comp. Laws § 324.30102 (codifying Part 301 of the Michigan Natural Resources and Environmental Protection Act (NREPA), which requires a permit before “a person” may “dredge or fill bottomland,” or “[c]onstruct, enlarge, extend, remove, or place a structure on” the bottomlands of an inland lake). D&C’s owner, Thomas Kangas, conveyed this requirement to Thomson and told him that he would need to furnish project-plan documents to support the application; Kangas would apply for the permit. According to Thomson, Kangas did not explain the contents of the permit application.

Thomson nevertheless sent Kangas an email that allowed him to “pull a sea wall permit in [Thomson’s] name.” ECF No. 37-4, PageID.804. Consistent with that email, Kangas submitted the permit application to EGLE through an online portal in August 2022. Kangas applied in his own name, recording that he was not the property owner and uploading Thomson’s written approval for him to obtain the permit. The permit portal required Kangas to accept several conditions before submitting the application. One of the conditions authorized EGLE and its agents to enter the property before, during, and after completion of the project to conduct site inspections. See ECF Nos. 36-2, PageID.724 (including the specific condition with Kangas testifying that it would not “surprise him” if he agreed to it because “[t]hat’s kind of what’s going to happen” in the “process of a permit”); 36-3, PageID.750 (outlining application materials with the defendant testifying that the portal document that Kangas completed contained the inspection condition and that Kangas agreed to it). Although Kangas testified that Thomson knew about this condition, ECF No. 36-2, PageID.732, Thomson swore that he was unaware of it and never authorized Kangas to agree to it,

ECF No. 36-1, PageID.707, 710-12. According to Thomson, he only allowed D&C and its employees to enter the property — no one else. Id. at PageID.706-07. The permit process did not go smoothly. Defendant Samantha Peterson, the EGLE employee assigned to the matter, requested that Kangas make several rounds of revisions to the application. Despite those revisions, in early February 2023, Peterson informed Thomson that EGLE could not approve the permit application, explaining that Thomson’s seawall project required modifications. She suggested alternatives. Thomson informed Peterson that D&C would nonetheless proceed with the seawall installation project. Soon thereafter, Thomson requested an extension for his permit application. In April 2023, Peterson attempted to arrange a visit to

Thomson’s property to further assess the seawall project proposal. Thomson did not respond. As it turns out, the lack of a permit proved no obstacle to Thomson. Over several days in April 2023, D&C constructed the seawall without a permit at his direction. Thomson even assisted with some aspects of the installation. Moreover, each day, Thomson was at the property and “accepted [D&C] in” with its equipment. ECF No. 36-2, PageID.721. And although Kangas stated that he did not ask for permission to enter the premises each workday, Thomson testified that he required Kangas to seek permission by notifying him the day before if D&C would be working the next day. Shortly after installation, Peterson sent Thomson a follow-up email on May 3, 2023, again attempting to arrange an on-site visit with him. The next day, Thomson responded that “[w]e’re going to address it again in spring 2024.” ECF No. 11-1, PageID.246. Peterson advised him that EGLE could not leave the application pending for that long and asked whether Thomson would like to withdraw it. Like before, Thomson did not respond.

Then, on May 19, 2023, after receiving no further communication from Thomson, Peterson inspected the property. Relying exclusively on the permit condition concerning inspections that Kangas certified, Peterson entered the property without a warrant. There, she observed the freshly built seawall on Thomson’s shoreline. Peterson gathered information, photographed the site, and otherwise generated evidence during the inspection that EGLE retained for its files. Following that inspection, Peterson sent Thomson a letter denying his permit application and escalated the permit-less installation for further investigation. On July 9, 2024, Thomson filed suit against Peterson in both her official and individual capacities, seeking declaratory, injunctive, and monetary relief. He superseded that with an

amended complaint, which asserts two claims. Count I alleges a claim under 42 U.S.C. § 1983, alleging that Peterson’s May 19, 2023 inspection constituted an unreasonable warrantless search in violation of the Fourth Amendment. Count II asserts a state-law claim for trespass under Michigan law, alleging that the defendant unlawfully entered the property during the inspection. Peterson filed a motion to dismiss the amended complaint and attached an affidavit, application documents, and correspondence to her motion to support her position. At Thomson’s request, the Court converted the motion into a motion for summary judgment and ordered briefing upon completion of discovery. II. The parties agree on the procedural framework. Summary judgment is appropriate “if the movant shows that there is no genuine dispute as to any material fact and the movant is entitled to judgment as a matter of law.” Fed. R. Civ. P. 56(a). When reviewing the motion record, “[t]he court must view the evidence and draw all reasonable inferences in favor of the non-moving party,

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