Experts expect it'll take some time before the floodwaters drain in Houston. In the meantime, several groups are seeking volunteers to help with recovery efforts.

• Volunteers can sign up for trips to the affected area through organizations like Samaritan's Purse, SBP, GivePulse, Coastal Bend Disaster Recovery Group, Team Rubicon and Voluntary Organizations Active in Disaster.
• Volunteer Houston has launched a virtual Volunteer Reception Center to aid nonprofit agencies in flood relief efforts. More information here.
• If you're in the Dallas-Fort Worth area, you can register to help at shelters through the Mass Care Task Force.
• Sign up here to volunteer with the Austin Disaster Relief Network.
• Apply to help victims by working for FEMA.
• If you're a chef, sign up to cook for victims in Houston.
• Wastebits, a waste management technology company, is enabling free access to its software platform to help with the coordination of recovery and cleanup efforts in areas affected by Harvey.
• If you are a health or mental health professional, sign up with the Red Cross to deploy to affected areas.
• Remote Area Medical is seeking medical personnel, as well as general support and supplies, to help with rescue efforts. Contact RAM at volunteers@ramusa.org or 865-579-1530.
• The Red Cross is seeking musicians to play at Austin-area evacuation shelters.
• The State Bar of Texas has a legal hotline to help people - specifically low-income Texans - with issues such as replacing lost documents and answering insurance questions. They also started a disaster relief volunteer form, which attorneys licensed in Texas can fill out here.