Henry's Fork at St. Anthony

Saint Anthony, Idaho
Mis à jour par Snake River Waterkeeper

Additional data are collected by continuous water-quality monitoring sondes and provided courtesy of Henry's Fork Foundation.

St. Anthony is located along the Henrys Fork of the Snake River and on US Highway 20 about 10 miles northeast of Rexburg. The city is situated about 70 miles from the west entrance to Yellowstone National Park. Previous to the foundation of St. Anthony, Major Andrew Henry established a short-lived fort a few miles west of where the city stands today. This post was last used in the Fall of 1811, but left a lasting mark on the area as Henry is the namesake for the Henrys Fork of the Snake River, which St. Anthony sits along.

Along the south side of the Henrys Fork there is the Greenway Trail, which starts near the US 20 junction with Bridge Street and continues south for a few miles. There is also a swimming area along the river, several baseball diamonds and a skate park.

QUALITÉ DE L’EAU
  • Qualité de l’eau était satisfaisante dans 95 % des cas
  • Statut Historique
  • This status is based on the latest sample, taken on . Snake River Waterkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on à
Légende de qualité de l’eau:   
MÉTÉO ACTUELLE
9°C
Ciel dégagé
FRÉQUENCE DE SURVEILLANCE

Des analyses de l’eau de cette plage sont effectuées de 7 Juin à 30 Août

SOURCES

There is currently very limited water quality monitoring of Idaho's inland swim sites. The federal Beach Act does not cover freshwater or riverine beaches, and states in the Basin do not monitor Snake River swimming beaches or recreational access sites.

As part of its Water Quality Program, Snake River Waterkeeper monitors water quality at more than 100 sites on the Snake River and its tributaries for temperature, dissolved oxygen, pH, salinity/conductivity/total dissolved solids, ammonia, and nitrates. Data are collected at sample sites June-October and assigned safety ratings based on comparison to EPA's Recreational Water Quality Criteria for Human Health:

pH: 5 – 9 µg/L
Salinity/Conductivity/Total Dissolved Solids: 500 mg/L
Nitrates: 10 mg/L

A site is marked Green when single sample results meet all Human Health Criteria.
A site is marked Red when the results are equal to or above Human Health Criteria.
A site is marked Grey when there are no current results or no available information.
Sites found to exceed EPA's Aquatic Health Criteria are noted in site descriptions.

While criteria measured are useful indicators of contamination, there are many other potential sources of pollution that are not reflected in our Swim Guide, including E.coli and other bacteria, heavy metals, pharmaceuticals, fertilizers, and pesticides that harm aquatic life.

Download the free app for smartphone and learn about Swim Guide 3.0 at www.theswimguide.org. To learn more about our efforts to protect and restore the Snake River's water quality, visit www.snakeriverwaterkeeper.org.

QUALITÉ DE L’EAU

Henry's Fork at St. Anthony

Saint Anthony, Idaho
Mis à jour par Snake River Waterkeeper

QUALITÉ DE L’EAU
  • Qualité de l’eau était satisfaisante dans 95 % des cas
  • Statut Historique
  • This status is based on the latest sample, taken on . Snake River Waterkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on à
Légende de qualité de l’eau:   
MÉTÉO ACTUELLE
9°C
Ciel dégagé

Additional data are collected by continuous water-quality monitoring sondes and provided courtesy of Henry's Fork Foundation.

St. Anthony is located along the Henrys Fork of the Snake River and on US Highway 20 about 10 miles northeast of Rexburg. The city is situated about 70 miles from the west entrance to Yellowstone National Park. Previous to the foundation of St. Anthony, Major Andrew Henry established a short-lived fort a few miles west of where the city stands today. This post was last used in the Fall of 1811, but left a lasting mark on the area as Henry is the namesake for the Henrys Fork of the Snake River, which St. Anthony sits along.

Along the south side of the Henrys Fork there is the Greenway Trail, which starts near the US 20 junction with Bridge Street and continues south for a few miles. There is also a swimming area along the river, several baseball diamonds and a skate park.

FRÉQUENCE DE SURVEILLANCE

Des analyses de l’eau de cette plage sont effectuées de 7 Juin à 30 Août

SOURCES

There is currently very limited water quality monitoring of Idaho's inland swim sites. The federal Beach Act does not cover freshwater or riverine beaches, and states in the Basin do not monitor Snake River swimming beaches or recreational access sites.

As part of its Water Quality Program, Snake River Waterkeeper monitors water quality at more than 100 sites on the Snake River and its tributaries for temperature, dissolved oxygen, pH, salinity/conductivity/total dissolved solids, ammonia, and nitrates. Data are collected at sample sites June-October and assigned safety ratings based on comparison to EPA's Recreational Water Quality Criteria for Human Health:

pH: 5 – 9 µg/L
Salinity/Conductivity/Total Dissolved Solids: 500 mg/L
Nitrates: 10 mg/L

A site is marked Green when single sample results meet all Human Health Criteria.
A site is marked Red when the results are equal to or above Human Health Criteria.
A site is marked Grey when there are no current results or no available information.
Sites found to exceed EPA's Aquatic Health Criteria are noted in site descriptions.

While criteria measured are useful indicators of contamination, there are many other potential sources of pollution that are not reflected in our Swim Guide, including E.coli and other bacteria, heavy metals, pharmaceuticals, fertilizers, and pesticides that harm aquatic life.

Download the free app for smartphone and learn about Swim Guide 3.0 at www.theswimguide.org. To learn more about our efforts to protect and restore the Snake River's water quality, visit www.snakeriverwaterkeeper.org.

QUALITÉ DE L’EAU



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* The RBC Foundation

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