In SC, 59.66% of the points analyzed are suitable for bathing | Health

In SC, 59.66% of the points analyzed are suitable for bathing | Health
In SC, 59.66% of the points analyzed are suitable for bathing | Health
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The Santa Catarina Environmental Institute (IMA) publishes the bathing report with consolidated information on the results of the collections carried out from the week of January 29 to February 2, 2024. According to the samples collected, in the 238 points monitored by the Institute on the coast of Santa Catarina, 142 are suitable for swimming, which represents 59.66%. In Florianópolis, of the 87 points, 60 are suitable for bathing, which is equivalent to 68.97%.

All this week’s information, comparisons and technical considerations are contained in the report that can be seen at this link.

On the website, the information is updated automatically and every citizen can follow the reports issued during the week, as well as the most up-to-date property results for each point, simply click on the flags that appear on the map or check the ‘history’ menu.

Methodology and legislation

The IMA has all the materials and mechanisms considered sufficient and appropriate to carry out the Bathing Monitoring Program in the state, the second largest in Brazil, with 238 monitored points and in force since 1976.

The materials used are those defined by method 9223b of the Standard Methods for the Examination of Water and Wastewater, 23rd edition, whose manufacturing and distribution is carried out by a single company (IDEXX) with its own representative in Brazil (IDEXX BRASIL LABORATÓRIOS LTDA). As for the so-called collection mechanism, IMA follows the standards established by the Sample Collection and Preservation Guide of the National Water Agency (ANA) and Environmental Company of the State of São Paulo (CETESB).

The samples are analyzed using the fluorogenic method using Colilert-18 as substrate, according to the guidelines of the Standard Methods for the Examination of Water and Wastewater, 23rd edition, Method 9223 B, which consists of the quantification of total coliforms and Escherichia coli. According to Conama Resolution No. 274, of November 29, 2000, the point is considered OWN when in 80% or more of a set of samples collected in the last 5 weeks, in the same location, there is a maximum of 800 Escherichia coli per 100 milliliters .

The point is considered IMPROPER when more than 20% of a set of samples collected in the last five weeks, in the same location, is higher than 800 Escherichia coli per 100 milliliters or when, in the last collection, the result is higher than 2000 Escherichia coli per 100 milliliters.

Attention to bathers

Swimming in the sea is not recommended in the first 24/48 hours after the occurrence of heavy rain, as well as in the vicinity of the exit of canals or rainwater galleries, as rain can carry away contaminated material, which can deteriorate the quality of bathing water.

DisclosureThe IMA Bathing Monitoring Program follows a prior collection schedule, providing transparency and publicity to the process. This way, every citizen can monitor when collection will take place at a certain point.

As the analyzes are completed by the IMA laboratory, the point result is automatically updated and can be checked on the site map and in the Praia Segura application of the Santa Catarina Military Fire Department (CBMSC).

To monitor the results of the collections, simply click on the flags at the point of interest and check the status of the beach property and the date of the last collection carried out at the location on the website map. The site also has the history menua research space where it is possible to access dates, times, wind conditions, tide, among other information that is recorded at the time of collection and the results of the appropriate or inappropriate condition of each sampled point.

From November to March, IMA monitors the bathing ability of Santa Catarina’s beaches weekly, and on Fridays, it publishes a release with the balance of the week. Between the months of April and October, research and dissemination are monthly.


The article is in Portuguese

Tags: points analyzed suitable bathing Health

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