Photo of Markwayne Mullin
R United States Senate · Oklahoma

Sen. Markwayne Mullin

Compare
Total votes
1,513
all sessions
Attendance
96%
53 missed
Lower than 77% of chamber peers
With party
94%
of cast votes
Near the chamber average
Bipartisan score
3%
crosses aisle rarely
Lower than 76% of chamber peers
Sponsored
807
bills & resolutions
Lower than 93% of chamber peers
Committees
0
assignments
807 bills and resolutions

Sponsored bills

Total
807
Primary
70
Co-sponsor
737
This page
807
matching current filters
Co-sponsor SRES 204
Passed · United States Senate · Co-sponsor
A resolution congratulating the University of Oklahoma women's gymnastics team for winning the 2023 National Collegiate Athletic Association championship, the program's sixth title overall.

Maddy summaryThis resolution (SRES 204) is a ceremonial Senate expression of congratulations to the University of Oklahoma women's gymnastics team for winning the 2023 NCAA national championship - their sixth title overall. It recognizes the team's specific achievements, including a record-setting score and multiple individual honors, and honors their coach and university staff. The Senate formally requests that a copy of the resolution be sent to the University of Oklahoma president, athletics director, and head coach. As a non-binding resolution, it has no legal effect or policy impact.

Passed May 9, 2023 1 co-sponsor
Co-sponsor S 1493
In committee · United States Senate · Co-sponsor
9–8–8 Lifeline Cybersecurity Responsibility Act

Maddy summaryThis bill requires the 9-8-8 National Suicide Prevention Lifeline program to strengthen cybersecurity protections. It mandates that the program coordinate with the HHS Chief Information Security Officer to address vulnerabilities and requires all participating local crisis centers and the program’s network administrator to report cybersecurity vulnerabilities or incidents within 24 hours. The law also directs a study by the Comptroller General to evaluate cybersecurity risks for the lifeline within 180 days of enactment. These changes directly affect the national lifeline program and all local crisis centers using the 9-8-8 system.

In committee May 9, 2023 1 co-sponsor
Primary SRES 197
In committee · United States Senate · Lead sponsor
A resolution designating the week of May 1, 2023, through May 7, 2023, as "Tardive Dyskinesia Awareness Week".

Maddy summaryThis resolution designates the week of May 1-7, 2023, as "Tardive Dyskinesia Awareness Week" to raise public and medical community awareness about the condition. It does not create new laws or policies, but encourages individuals to learn about Tardive Dyskinesia, a movement disorder linked to long-term use of certain medications (like antipsychotics). The resolution focuses solely on awareness, with no direct impact on affected individuals or healthcare requirements. It is a symbolic, non-binding gesture by the Senate.

In committee May 4, 2023 0 co-sponsors
Primary S 1445
In committee · United States Senate · Lead sponsor
Stand Your Ground Act of 2023

Maddy summaryS 1445, the Stand Your Ground Act of 2023, amends federal law to expand self-defense protections in certain criminal cases. It creates an affirmative defense for using force (including deadly force) when facing a "forcible felony" (like assault, robbery, or sexual battery) without requiring a defendant to retreat first. The bill directly affects individuals accused of crimes in federal court who claim self-defense, shifting the burden to prove this defense to a preponderance of evidence. Key provisions remove the "duty to retreat" requirement, allowing a defendant to stand their ground if they are not engaged in criminal activity and are in a place they have a legal right to be. This applies only to federal prosecutions commenced after the law's effective date.

In committee May 4, 2023 0 co-sponsors
Co-sponsor S 1432
In committee · United States Senate · Co-sponsor
Fire Suppression PFAS Liability Protection Act

Maddy summaryThis bill creates an exemption from federal environmental liability for fire departments and facilities using specific firefighting foam. It protects entities with approved fire suppression systems that release PFAS-containing foam during lawful activities like training or emergency responses, provided the system meets current fire codes and engineering standards. The exemption does not apply if the entity acts with gross negligence or continues using the foam 5 years after safer alternatives become available. This directly affects fire departments, airports, and industrial facilities that use aqueous film-forming foam (AFFF) containing PFAS chemicals, shielding them from CERCLA cleanup cost claims for routine discharges.

In committee May 3, 2023 1 co-sponsor
Co-sponsor S 1433
In committee · United States Senate · Co-sponsor
Airports PFAS Liability Protection Act

Maddy summaryThis bill protects airport sponsors (like public airports or joint-use facilities) from federal environmental liability claims related to PFAS chemicals used in firefighting foam. It specifically exempts them from costs under the federal environmental law (CERCLA) if the PFAS release resulted solely from using the foam as required by the FAA for safety compliance and following FAA guidelines. The exemption does not apply if the airport sponsor acted with gross negligence or willful misconduct in using the foam. This law directly affects airports that use FAA-mandated firefighting foam but does not shield them from liability for reckless conduct.

In committee May 3, 2023 1 co-sponsor
Co-sponsor S 1429
In committee · United States Senate · Co-sponsor
Resource Management PFAS Liability Protection Act of 2023

Maddy summaryThis bill protects certain waste and compost facilities from federal environmental liability for PFAS releases under CERCLA. It exempts owners/operators of solid waste facilities and compost processors from lawsuits if PFAS was released during permitted disposal of municipal waste residuals, biosolids management, or compost processing under state law. The exemption does not apply if the facility acted with gross negligence or willful misconduct. This directly affects waste management companies, compost businesses, and government entities operating these facilities.

In committee May 3, 2023 1 co-sponsor
Co-sponsor S 1430
In committee · United States Senate · Co-sponsor
Water Systems PFAS Liability Protection Act

Maddy summaryThis bill protects public water systems, wastewater treatment facilities, and related entities from liability under federal environmental law for PFAS releases, provided they follow all applicable laws during treatment or disposal. It exempts these "protected entities" from cost-recovery claims under CERCLA when handling PFAS in ways consistent with existing water treatment practices, such as managing biosolids, discharging treated water, or disposing of filter media. The exemption does not apply if a facility acts with gross negligence or willful misconduct in handling PFAS. This directly affects water utilities and municipalities managing PFAS-contaminated water or byproducts under current federal and state regulations.

In committee May 3, 2023 1 co-sponsor
Co-sponsor S 1435
In committee · United States Senate · Co-sponsor
A bill to require the Director of the Bureau of Land Management to withdraw a rule of the Bureau of Land Management relating to conservation and landscape health.

Maddy summaryS 1435 requires the Bureau of Land Management (BLM) Director to withdraw the proposed "Conservation and Landscape Health" rule (88 Fed. Reg. 19583, April 3, 2023). The bill prohibits the BLM from finalizing, implementing, or enforcing this specific rule or any substantially similar rule. This directly affects the BLM’s regulatory process by halting a proposed conservation policy related to landscape health management.

In committee May 3, 2023 1 co-sponsor
Co-sponsor S 1427
In committee · United States Senate · Co-sponsor
Agriculture PFAS Liability Protection Act of 2023

Maddy summaryThis bill exempts agricultural operations from liability under the federal CERCLA law for releases of specific PFAS chemicals used in farming. It directly affects farmers and agricultural businesses (defined as "protected entities") who produce or harvest crops, shielding them from lawsuits or cleanup costs related to covered PFAS substances. The exemption applies to non-volatile PFAS hazardous substances (excluding gases) used in agricultural practices, but does not protect against liability for gross negligence or willful misconduct. The law changes existing environmental liability rules to specifically exclude routine agricultural activities involving these chemicals.

In committee May 3, 2023 1 co-sponsor
Showing 361 to 370 of 807 bills
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