On Nov. 17, 2025, at a meeting of the Pa. House Agriculture and Rural Affairs Committee, Pennsylvania H.B. 2034 – an act amending Title 3 (Agriculture) of the Pennsylvania Consolidated Statutes and intended to hold the mushroom industry to higher standards for quality and safety – passed by a vote of 23-3.

Every Democrat on the committee voted in favor of the bill, as did nine of the 12 Republican committee members – including Rep. John Lawrence of the 13th District.

Introduced by Rep. Christina Sappey (158th District), H.B. 2034 is intended to strengthen the PDA’s oversight and enforcement authority over mushroom growing composting operations, most specifically in southern Chester County, where local mushroom farming operations have come under severe criticism by area residents for taking what many critics have deemed a cavalier approach to the practice of eradicating phorid flies emanating from mushroom houses and maintaining a healthy air quality free from pollutants like Hydrogen Sulfide.  

If the bill is passed, it will require mushroom growing and composting operations to submit their plans for phorid fly and Hydrogen Sulfide mitigation to the Pennsylvania Department of Agriculture (PDA); require the PDA to conduct random inspections of mushroom operations in order to assure that they are complying with safety standards; and authorize the PDA to administer fines to mushroom operations that are not in compliance with their plans or are found not be in compliance after inspection.  

To the residents of southern Chester County whose lives are being choked from the stench of mushroom composting and whose houses are populated with phorid flies, the bill has all of the hallmarks a slam-dunk piece of legislation. Ask any elected official from West Chester to Oxford and they will tell you about the phone calls and the e-mails they have received from residents for the past several years, and the tone of the communication is always the same: fear, anger and frustration exacerbated by the belief that they live in the vicinity of a multi-billion-dollar business that gives off the impression to many to prioritize profits over people. 

Their rage has been heard loud and clear and consistently at township meetings and town hall discussions and in borough halls and on social media pages and in the pages of this newspaper. It has reached so far beyond the boiling point that it now defies anyone within earshot to turn away. The people – the residents of southern Chester County – have placed their health and safety, long jeopardized by an industry whose regulatory standards have not been held in check, front and center.

There can be no more turning the other cheek to this stark reality, and science is supporting that. On Sept. 4, 2024, Dr. Lorenzo Cena, an environmental professor at West Chester University, shared the findings of his study that measured the air quality in New Garden Township in the vicinity of mushroom operations, and before Sappey and other state health regulatory officials, Cena revealed that Hydrogen Sulfide levels were 33 times higher than the recommended levels established by the DEP during particular periods of the year.

Emerging from the fog of compost clouds and the phorid fly infestations, there is a growing number of mushroom industry leaders and agencies who are fully acknowledging and addressing the problem through best management practices and working with elected officials and the PDA on possible solutions. That said, however, there remains a cadre of players in the local mushroom industry who are steadfastly against any speck of regulatory enforcement that could possibly affect their bottom line, and who feel that the rules of accountability do not apply to them. 

Hard against the speculation by some in the industry that the passage of H.B. 2034 will damage the mushroom industry, the truth is that the bill - which will soon go to the Pa. House floor for continued discussion and rewrites and a final vote - is constructed in a way to strengthen the industry. It is not a marker in the sand but a vital initiative, meant to create a healthier environment for both mushroom farms and those who live and raise their families in their vicinity, for generations to come.

This initiative must become law.