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As of July 1, 2025, Idaho law requires CDH to verify the lawful presence of those applying for public benefits through our agency.

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As of July 1, 2025, Idaho law requires CDH to verify the lawful presence of those applying for public benefits through our agency.

The programs impacted by this change are:
  • WIC applicants who are not on Medicaid, SNAP, or TAFI
  • Clinic services for which a sliding scale is used
  • Licenses and permits for food establishments
  • Licenses and permits for septic onsite, pumper and installer services

You can review the policy here and then complete the form below to verify your lawful presence online or you can visit one of our CDH offices to confirm in person.

Lawful Presence Online Forms: English | Spanish

WIC: English | Spanish

Tag: Environmental Health

Harmful Algae Bloom Season is Here

The Southwest and Central Health Districts want to inform the public of the risk of illness in the region when recreating in bodies of water that have Harmful Algal Blooms (HABs) during the summer months.
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Health Advisory Lifted for Cascade Reservoir

Ada County — Central District Health (CDH), in conjunction with the Idaho Department of Environmental Quality (DEQ), have lifted a public health advisory for Cascade Reservoir, located in the Valley County community. The advisory was issued on August 13, 2021 due to the presence of cyanobacteria, also known as a Harmful Algal Bloom (HAB). After regular monitoring, and water sample collection and testing, DEQ confirmed levels have returned to normal and toxin levels are below the safety threshold.
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First West Nile Virus death this year; Central District Health urges caution and use of prevention measures

Ada County, Idaho — Last week, Central District Health (CDH) confirmed the death of an Ada County resident who passed away from West Nile Virus (WNV) contracted in Ada County. The resident was a male over the age of 50 and is the first death related to WNV this year. “The recent infections and discovery of mosquitoes carrying West Nile Virus serves as a reminder to protect ourselves. West Nile Virus is present in many of our counties and we encourage members of the public to use caution and prevention measures to protect themselves, their loved ones, and their animals,” stated Lindsay Haskell, CDH’s Communicable Disease Control Manager.
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DEQ conducts additional sampling at Payette Lake

Valley County, Idaho – A second round of water quality sampling at Payette Lake confirmed normal levels of cyanobacteria consistent with high water quality. Final lab results are expected soon following a comprehensive analysis at a national lab that specializes in identifying cyanobacteria and their cyanotoxins. The Idaho Department of Environmental Quality will share that information with the public as soon as it’s available. DEQ collected samples at three Payette Lake locations, including the western edge of North Beach, a northwestern portion of the lake, and a section between Brown Park and Mile High Marina.
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Central District Health issues public health advisory for Cascade Reservoir due to Harmful Algal Bloom

Valley County, Idaho – Central District Health (CDH), in conjunction with the Idaho Department of Environmental Quality (DEQ), has issued a public health advisory, effective immediately, for Cascade Reservoir due to the presence of cyanobacteria, also known as a Harmful Algal Bloom (HAB). DEQ will continue conducting surveillance through satellite imagery, on-site observation, and will continue with weekly water sampling of Cascade Reservoir. People and animals can get sick if they swim, wade, or play in or near HAB-contaminated water, eat contaminated fish, shellfish, or use contaminated drinking water.
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Additional water testing underway at Cascade Reservoir for possible Harmful Algal Bloom; use caution when recreating

Valley County, Idaho – An increase in public concerns regarding water quality at Cascade Reservoir has prompted the Idaho Department of Environmental Quality (DEQ) to perform additional water sampling for the possible presence of cyanobacteria, which can cause Harmful Algal Blooms (HABs). Test results are pending and anticipated later this week. In the meantime, people should use caution when recreating in and around the reservoir, and should especially consider keeping kids and dogs from playing, wading or swimming in the water until test results are known.
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