The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: April 2015

Fracking is minimal to non-existent in Arizona. A state law addresses oil and gas exploration and production, but hydraulic fracturing is not included. Source

Last Updated: April 2015

The state will require disclosure of chemical ingredients and volumes as of July 1, 2015. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Methane's Role in Climate Change

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: April 2015

Connecticut has no natural gas or oil deposits. A 2014 law established a moratorium on storing or disposing of fracking waste in the state. Source

Related: States To Sue Over Fracking Standards

Last Updated: April 2015

Delaware has no natural gas or oil deposits. It does not regulate fracking activities. However, a draft rule from the Delaware River Basin Commission would require disclosure of chemical ingredients and volumes. It would also allow trade-secret claims to avoid public disclosure. Source

Related: States To Sue Over Fracking Standards

Last Updated: April 2015

Fracking is minimal to non-existent in Florida. Legislation introduced in 2015 in the state Senate would require disclosure of chemical ingredients and volumes to FracFocus. It would allow trade-secret claims to avoid public disclosure. Source

Last Updated: April 2015

Fracking is minimal to non-existent in Georgia. The state regulates oil, gas, and deep drilling, but hydraulic fracturing is not included. Source

Last Updated: April 2015

Hawaii has no significant oil or gas deposits. Legislation introduced in 2015 in the state Senate would prohibit fracking. Source

Last Updated: April 2015

Fracking is minimal to non-existent in Iowa. The state regulates oil, gas, and metallic minerals, but hydraulic fracturing is not included. Source

Last Updated: March 2015

Fracking is minimal to non-existent in Idaho. The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: May 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Fracking Could Hinder Underground Carbon Storage

Last Updated: April 2015

Under a 2012 emergency rule, the state requires disclosure of chemical ingredients and volumes. Trade-secret exemptions are not specified, but histories of wells may be kept confidential for up to one year at the operator's request. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: March 2015

A March 2015 law will require disclosure of chemical ingredients and volumes. Trade-secret protection can be claimed to avoid public disclosure. Source

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: EPA Probes Fracking Impact on Water

Last Updated: April 2015

Massachusetts has no significant natural gas or oil deposits. It does not regulate fracking activities. Source

Related: States To Sue Over Fracking Standards

Last Updated: April 2015

Fracking is not yet happening in Maryland. A proposed rule would require disclosure of chemical ingredients and volumes to FracFocus. It would allow trade-secret claims to avoid public disclosure. Source

Last Updated: April 2015

Maine has no significant natural gas or oil deposits. It does not regulate fracking activities. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: April 2015

Minnesota has no significant natural gas or oil deposits. It does not regulate fracking activities. Source

Last Updated: March 2015

The state is developing a regulation on oil and gas drilling and production. It is not clear whether this rule will include provisions on chemical disclosure for fracking fluids. Source

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: CDC To Examine Drilling Deaths

Last Updated: April 2015

Fracking is not yet happening in North Carolina. The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: CDC To Examine Drilling Deaths

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: March 2015

Fracking is minimal to non-existent in New Hampshire. Legislation introduced in 2015 to ban fracking failed. Source

Last Updated: April 2015

Fracking is minimal to non-existent in New Jersey. However, a draft rule from the Delaware River Basin Commission would require disclosure of chemical ingredients and volumes. It would also allow trade-secret claims to avoid public disclosure. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Nuclear Waste Could Find Home in Shale

Last Updated: March 2015

New York banned hydraulic fracturing in 2015. Source

Related: New York Bans Fracking

Last Updated: July 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Earthquakes and Fracking Activities Linked in Environmental Protection Agency Report

Last Updated: April 2015

Fracking is minimal to non-existent in Oregon. A state law regulates oil and gas exploration and production, but hydraulic fracturing is not included. Legislation introduced in 2015 in the state House of Representatives would place a moratorium on fracking through 2025. Source

Last Updated: April 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Fracking Inquiry Justified

Last Updated: March 2015

Rhode Island has no natural gas or oil deposits. It does not regulate fracking activities. Source

Related: States Sue Over Fracking Standards

Last Updated: March 2015

Fracking is minimal to non-existent in South Carolina. A state law addresses oil and gas exploration, drilling, transportation, and production, but hydraulic fracturing is not included. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Fracking Inquiry Justified

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes to FracFocus. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Study Finds High Methane Losses From Fracking

Last Updated: March 2015

A regulation under development would require disclosure of chemicals used in fracking. It would protect the actual chemical blend used in fluids as a trade secret, except in cases of emergency. Source

Last Updated: March 2015

Vermont banned hydraulic fracturing in 2012. Source

Last Updated: March 2015

Fracking is minimal to non-existent in Washington. A state code requires a well record for any drilling that includes "chemical composition and quantities of materials used in the drilling or treating of a well." Trade-secret exemptions are not specified, but histories of wells may be kept confidential at the operator's request. Source

Last Updated: March 2015

Wisconsin has no significant natural gas or oil deposits. It does not regulate fracking activities. Source

Related: Proppant Progress

Last Updated: March 2015

The state requires disclosure of chemical ingredients and volumes. Trade-secret protection may be claimed to avoid public disclosure. Source

Related: Fracking Firm to Clean Up Streams

Last Updated: March 2015

A 2015 legal settlement requires Wyoming regulators to more carefully scrutinize claims by oil and gas drilling companies that the ingredients of fracking fluids are trade secrets. If a trade-secret exemption is granted, chemical information disclosed to the Wyoming Oil & Gas Conservation Commission will not be publicly available. Source

Related: Wyoming Tightens Fracking Disclosure

Last Updated: March 2015