The City of Salem routinely tests for the presence of cyanotoxins caused by blue-green algae as part of its rigorous water quality testing program. Updated water quality sample test result data are posted online as they become available. For advisory status and health information, please see the water advisory page.

City of Salem ELISA data

To meet State rules, Salem tests for the presence of cyanotoxins in water samples taken from two primary locations:

  1. The water intake at the Geren Island Water Treatment facility

  2. The point where treated water enters the distribution system, also known as Aldersgate

Thanks to an in-house testing system, the City is able to provide same-day test results. Sampling occurs in the morning, and results are available in the late afternoon.

DateTitle (with link to item)Type
9/26/2018ELISA: Aldersgate test data through September 26, 2018aldersgate-elisa-test-data-though-2018-09-26.pdf
9/26/2018ELISA: Middle Intake test data through September 26, 2018middle-intake-elisa-test-date-through-2018-09-26.pdf
9/20/2018ELISA: Aldersgate test data through September 20, 2018aldersgate-test-data-through-2018-09-20.pdf
9/20/2018ELISA: Middle Intake test data through September 20, 2018middle-intake-test-data-through-2018-09-20.pdf
9/12/2018ELISA: Aldersgate test data through September 12, 2018aldersgate-test-data-through-2018-09-12.pdf
9/12/2018ELISA: Middle Intake test data through September 12, 2018middle-intake-test-data-2018-09-12.pdf


Data for samples collected May 21–June 30, 2018

Data posted below includes results received July 3, 2018, from samples taken as late as June 30, 2018, and processed by an external lab. The data is cumulative from samples taken as early as May 21, 2018

DateTitle (with link to item)Type
7/3/2018Water Quality: Aldersgate test data updated July 3, 2018aldersgate-cyanotoxins-data-updated-2018-07-03.pdf
7/3/2018Water Quality: All site test data summary updated July 3, 2018water-quality-all-testing-site-summary-updated-2018-07-03.pdf
7/3/2018Water Quality: Countryside test data updated July 3, 2018countryside-cyanotoxins-data-updated-2018-07-03.pdf
7/3/2018Water Quality: Doral test data updated July 3, 2018doral-cyantoxins-data-updated-2018-07-03.pdf
7/3/2018Water Quality: Lake Vanessa test data updated July 3, 2018lake-vanessa-cyantoxins-data-updated-2018-07-03.pdf
7/3/2018Water Quality: Middle Intake test data updated July 3, 2018middle-intake-cyanotoxins-data-updated-2018-07-03.pdf
7/3/2018Water Quality: Nebraska test data updated July 3, 2018nebraska-cyanotoxins-data-updates-2018-07-03.pdf
7/1/2018Water Quality: Aldersgate test data updated July 1, 2018aldersgate-test-data-updated-2018-07-01.pdf
7/1/2018Water Quality: All site test data summary updated July 1, 2018all-site-test-data-summary-updated-2018-07-01.pdf
7/1/2018Water Quality: Countryside test data updated July 1, 2018countryside-test-data-updated-2018-07-01.pdf
7/1/2018Water Quality: Doral test data update July 1, 2018doral-test-data-updated-2018-07-01.pdf
7/1/2018Water Quality: Lake Vanessa test data updated July 1, 2018lake-vanessa-test-data-updated-2018-07-01.pdf
7/1/2018Water Quality: Middle Intake test data updated July 1, 2018middle-intake-test-data-updated-2018-07-01.pdf
7/1/2018Water Quality: Nebraska test data updated July 1, 2018nebraska-test-data-updated-2018-07-01.pdf
6/29/2018Water Quality: Aldersgate test data updated June 29, 2018aldersgate-cyanotoxins-data-updated-2018-06-29.pdf
6/29/2018Water Quality: All site test data summary updated June 29, 2018water-quality-all-testing-site-summary-updated-2018-06-29.pdf
6/29/2018Water Quality: Countryside test data update June 29, 2018countryside-cyanotoxins-data-updated-2018-06-29.pdf
6/29/2018Water Quality: Doral test data updated June 29, 2018doral-cyantoxins-data-updated-2018-06-29.pdf
6/29/2018Water Quality: Lake Vanessa test data updated June 29, 2018lake-vanessa-cyantoxins-data-updated-2018-06-29.pdf
6/29/2018Water Quality: Nebraska test data updated June 29, 2018nebraska-cyanotoxins-data-updates-2018-06-29.pdf
6/28/2018Water Advisory Public Records: Batch 5 - Denial of Access to Public Recordswater-advisory-public-records-batch-5-denial-of-access-to-public-records.pdf