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Blue Green Algae Blooms

Levels of blue-green algae may be high during summer in some local lakes and reservoirs. Avoid coming into direct contact with the algae or swallowing lake water. Keep a close eye on pets or small children, who may ingest water containing toxins produced by these algae.

Exposure to blue-green algae during swimming, wading, and water-skiing can lead to rashes, skin, eye irritation, and effects such as nausea, stomach aches, and tingling in fingers and toes. After you swim, wade or ski, be sure to shower with warm soapy water.

Resources

Current alerts

Updated July 30, 2021.

IDEM Sampling Results - Beach Caution Alert Level

Swimming and boating permitted. Children and those with compromised immune systems should not swim. Avoid contact with algae. Avoid swallowing water while swimming. Take a bath or shower with warm soapy water after coming in contact with lake water. Do not use lake water for cooking or bathing. Although our test results are specifically for the beach where pets are not permitted to swim, please keep pets out of the water along shallow banks and the shoreline.

  • None.

IDEM Sampling Results - Beach Advisory Alert Level

Swimming and boating permitted. Avoid contact with algae. Avoid swallowing water while swimming. Take a bath or shower with warm soapy water after coming in contact with lake water. Do not use lake water for cooking or bathing. Do not allow your pets to swim or drink water where algae are present.

  • Patoka Lake - Patoka SRA Beach
  • Cagles Mill Lake – Cagles Mill Lake Beach
  • Cecil M Harden Lake - Raccoon Lake SRA
  • Whitewater Lake - Whitewater Memorial SP
  • Hardy Lake - Hardy Lake SRA
  • Summit Lake SP
  • Mississinewa Lake - Miami SRA
  • Salamonie – Lost Bridge West SRA
  • Brookville Lake - Quakertown SRA
  • Brookville Lake - Mounds SRA
  • Sand Lake – Chain O’ Lakes SP
  • Worster Lake - Potato Creek SP
  • Monroe Lake - Paynetown SRA

IDEM Sampling Results – Beach Low Risk Alert Level

Don't drink the water, shower after you swim.

  • Ferdinand State Forest Lake Beach
  • Starve Hollow Lake - Starve Hollow SRA
  • Lake James - Pokagon SP
  • Lake James - Pokagon SP Inn
  • Monroe Lake - Fairfax SRA
  • Deam Lake - Deam Lake SRA
  • Kunkel Lake – Ouabache SP
  • Lake Lincoln – Lincoln SP

What Alerts Mean

Low Risk: Don't drink the water. Shower After you swim. Indicated with blue diamond on sign.

Advisory: Swimming and boating permitted. Avoid contact with algae. Avoid swallowing water while swimming. Take a bath or shower with warm soapy water after coming in contact with lake water. Do no use lake water for cooking or bathing. Do not allow your pets to swim or drink water where algae are present. Indicated with yellow diamond on sign.

Caution: Follow all advisory level precautions. Children and those with compromised immune systems should not swim. Indicated with orange diamond on sign.

Closed: Algae and toxin levels make beach currently unsafe for swimming. Indicated with red diamond on sign.