Photo of Mark Thompson
R Iowa House · District 56 On the 2026 ballot

Rep. Mark Thompson

Compare
Total votes
1,233
all sessions
Attendance
100%
4 missed
Near the chamber average
With party
97%
of cast votes
Near the chamber average
Bipartisan score
1%
crosses aisle rarely
Near the chamber average
Sponsored
74
bills & resolutions
Near the chamber average
Committees
4
assignments
74 bills and resolutions

Sponsored bills

Total
74
Primary
74
Co-sponsor
0
This page
74
matching current filters
Primary HF 669
died · Iowa House · Lead sponsor
A bill for an act relating to the expungement of certain criminal history records of victims of human trafficking, and including penalties.

Maddy summaryThis bill allows victims of human trafficking in Iowa to petition courts to remove certain criminal records from public access. It directly affects individuals who committed offenses (like drug possession or prostitution) while being trafficked, enabling them to clear these records through a simplified court process. Key provisions include no filing fees, requiring only a sworn statement (with official victim documentation as evidence), and creating a presumption of trafficking victim status when documentation is provided. Serious crimes like homicide, sexual abuse, or kidnapping are excluded from this expungement. The bill was withdrawn in March 2025 and never became law.

died Mar 31, 2025 0 co-sponsors
Primary HF 240
died · Iowa House · Lead sponsor
A bill for an act relating to insurance requirements for the granting of a hazardous liquid pipeline permit.

Maddy summaryHF 240 requires pipeline applicants in Iowa to provide proof of sufficient insurance or surety before a hazardous liquid pipeline permit is granted. This insurance must cover damages from pipeline discharges (both negligent and intentional), property damage from construction or leaks, and increased insurance costs or inability to obtain insurance for nearby residents. Pipeline companies must either purchase insurance for affected residents or reimburse them for higher premiums caused by the pipeline's presence. The bill was recommended for passage by committees but was withdrawn on March 31, 2025.

died Mar 31, 2025 0 co-sponsors
Primary HR 14
Passed · Iowa House · Lead sponsor
A resolution calling upon the President of the United States and the United States Congress to support efforts to naturalize certain legally adopted children who were born outside the United States.

Maddy summaryThis resolution (HR 14) calls on the President and Congress to support the Adoptee Citizenship Act, which would grant U.S. citizenship to children legally adopted from abroad who were 18 or older when the 2000 Child Citizenship Act took effect. It directly affects adoptees who were excluded from automatic citizenship under the 2000 law, despite being raised in the U.S. by American citizens. The resolution urges action to prevent deportation and address barriers these individuals face, such as difficulties obtaining passports, banking services, or education benefits. It does not create new law but advocates for congressional support of the pending Adoptee Citizenship Act.

Passed Mar 27, 2025 0 co-sponsors
Primary HF 191
In committee · Iowa House · Lead sponsor
A bill for an act relating to the intentional emission of air contaminants into the atmosphere.

Maddy summaryHF 191 prohibits the intentional emission of air contaminants within Iowa for the purpose of deliberately altering temperature, weather, or sunlight intensity (geoengineering). It directly affects any entity or individual conducting such emissions in the state, overriding conflicting existing laws. The bill requires the Environmental Protection Commission to adopt implementing rules, including emergency rules for immediate enforcement. Key mechanisms include a clear prohibition on weather-modification emissions and a mandate for the Commission to develop specific regulations under existing rulemaking procedures. The bill focuses solely on preventing intentional atmospheric manipulation, not general air pollution control.

In committee Mar 12, 2025 0 co-sponsors
Primary HF 237
In committee · Iowa House · Lead sponsor
A bill for an act relating to sanctions on intervenors in contested cases before the Iowa utilities commission.

Maddy summaryHF 237 sets clear conditions under which the Iowa Utilities Commission can impose sanctions on people or groups (intervenors) participating in contested cases. The bill prohibits the commission from threatening or imposing sanctions unless it determines an intervenor was knowingly dishonest or violated a criminal law AND caused actual, quantifiable injury exceeding $500 to the commission. This directly affects intervenors in utility commission proceedings by requiring specific, documented misconduct and harm before penalties can be applied. The bill does not change utility regulations but modifies the commission's sanction process to require stricter proof.

In committee Mar 12, 2025 0 co-sponsors
Primary HCR 7
Introduced · Iowa House · Lead sponsor
A concurrent resolution calling upon the President of the United States and the United States Congress to support efforts to naturalize certain legally adopted children who were born outside the United States.

Maddy summaryThis concurrent resolution (HCR 7) urges the U.S. President and Congress to support efforts granting citizenship to internationally adopted children who were over 18 when the 2000 Child Citizenship Act took effect. It specifically targets adoptees born abroad who were excluded from automatic citizenship under that law, despite being raised in the U.S. by American citizens. The resolution calls for passage of the Adoptee Citizenship Act, which would provide citizenship to these individuals, removing barriers they face in accessing banking, voting, education, and other services. It does not create new law but expresses Iowa's support for federal action to resolve this citizenship gap.

Introduced Mar 12, 2025 0 co-sponsors
Primary HF 491
In committee · Iowa House · Lead sponsor
A bill for an act concerning common carriers and including effective date and applicability provisions.

Maddy summaryHF 491 modifies Iowa's eminent domain laws for pipeline projects. It requires pipeline companies seeking to use eminent domain to first qualify as "common carriers" (transporting goods for unaffiliated shippers who retain ownership, not selling to the pipeline company). For hazardous liquid pipelines, the government must now prove "public use" with "clear and convincing evidence" instead of the lower standard. This directly affects pipeline companies seeking infrastructure rights and landowners whose property could be taken for pipeline projects. The bill takes effect immediately upon enactment.

In committee Mar 12, 2025 0 co-sponsors
Primary HF 436
In committee · Iowa House · Lead sponsor
A bill for an act relating to child restraint systems by excluding purchases from the sales and use tax and by including the value in the loss calculations for specified insurance settlements of automobiles, and including applicability provisions.

Maddy summaryHF 436 exempts purchases of child restraint systems (like car seats) from Iowa's sales and use tax, reducing costs for parents buying them. It also requires insurance companies to include the value of these systems in auto insurance settlements when a vehicle suffers partial or total damage. The bill defines "child restraint system" as federally compliant seats meeting safety standards (per 49 C.F.R. §571.213) and applies to auto losses occurring on or after July 1, 2025. This directly affects families purchasing child seats and insurers handling auto damage claims.

In committee Mar 11, 2025 0 co-sponsors
Primary HF 480
In committee · Iowa House · Lead sponsor
A bill for an act relating to beneficial use in the context of water allocation.

Maddy summaryHF 480 amends Iowa's water permit process by removing the existing legal definition of "beneficial use" and requiring the Department of Natural Resources (DNR) to evaluate each water permit application individually. The bill mandates that the DNR grant permits for water diversion, storage, or withdrawal if the use aligns with conservation principles, without categorizing uses (e.g., agricultural vs. municipal). It sets strict deadlines: 90 days to decide new permits and 30 days for renewals, while requiring all permits to include routine conservation practices and emergency measures. This directly affects water users (like farmers, municipalities, and industries) applying for permits to divert or store water in Iowa.

In committee Mar 7, 2025 0 co-sponsors
Primary HF 238
In committee · Iowa House · Lead sponsor
A bill for an act relating to pipelines transporting liquefied carbon dioxide, including permit renewal and operation limitations.

Maddy summaryHF 238 prohibits the Iowa Utilities Commission from renewing permits for pipelines transporting liquefied carbon dioxide (CO2). It sets a strict 25-year maximum operational limit for all CO2 pipelines, meaning they cannot operate beyond this period even if initially permitted for less time. This bill specifically targets CO2 pipelines, reinforcing a 25-year cap that already applies to other pipelines under current law but explicitly prevents renewal for CO2-specific projects. The bill directly affects CO2 pipeline operators and the commission responsible for issuing and reviewing permits.

In committee Mar 5, 2025 0 co-sponsors
Showing 21 to 30 of 74 bills
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