Aparima River at Thornbury

Thornbury, New Zealand
Managed by Swim Guide NZ
Potentially toxic algae warning issued for Aparima River at Thornbury.

Freedom camping is permitted for up to 28 days at the Aparima Bridge Reserve. Amenities include public toilets and rubbish bins. Pets are welcome but should be closely monitored as the river has been identified by BirdLife International as an Important Bird Area, supporting breeding colonies of the Black-billed Gull. The river is a popular fishing spot with spinning being the best method in the morning and fly fishing during mid day.

WATER QUALITY
  • Met water quality standards less than 60% of the time
  • Historical Status
  • This status is based on the latest sample, taken on March 26th, 2019. Swim Guide NZ updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
  • Report Pollution
MONITORING FREQUENCY

Aparima River at Thornbury is sampled weekly from December 1st to March 31st

SOURCE INFORMATION

Southland Regional Council measures water quality at 13 marine bathing and seven freshwater bathing sites during summer (December to March).

Freshwater sites are tested for E.coli levels and toxic algae blooms. Beaches with elevated levels of bacteria are tested more regularly.

The council issues an AMBER alert if a single sample level of E.coli are greater than 260 units / 100 ml of water. Signs will also be posted at beaches and until water levels return to a safe level.

Pulse Energy updates Swim Guide for the latest water quality information daily, Monday - Friday during the swimming season.

A beach has a GREEN current status when no single sample is greater than 260 E. coli/100 mL and has a rank of GREEN.

A beach has a RED current status in Swim Guide when a single sample is greater than 260 E. coli/100 mL and there is an AMBER or RED rank.

A beach is marked Grey in Swim Guide when there is no current or reliable monitoring information available.

Swimming is not recommended within 48 hours after a heavy rainfall or around stormwater outfalls and at stream mouths.

Data in Swim Guide is sourced from LAWA’s “Can I Swim Here” program.
Visit LAWA’s factsheet on recreational monitoring in NZ here. https://www.lawa.org.nz/learn/factsheets/what-do-the-swim-icons-mean/
LAWA assigns each site a grade, which is based on the last three years of monitoring data from the site.

WATER QUALITY GRAPH

Aparima River at Thornbury

Thornbury, New Zealand
Managed by Swim Guide NZ
WATER QUALITY
  • Met water quality standards less than 60% of the time
  • Historical Status
  • This status is based on the latest sample, taken on March 26th, 2019. Swim Guide NZ updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
Potentially toxic algae warning issued for Aparima River at Thornbury.

Freedom camping is permitted for up to 28 days at the Aparima Bridge Reserve. Amenities include public toilets and rubbish bins. Pets are welcome but should be closely monitored as the river has been identified by BirdLife International as an Important Bird Area, supporting breeding colonies of the Black-billed Gull. The river is a popular fishing spot with spinning being the best method in the morning and fly fishing during mid day.

  • Report Pollution
MONITORING FREQUENCY

Aparima River at Thornbury is sampled weekly from December 1st to March 31st

SOURCE INFORMATION

Southland Regional Council measures water quality at 13 marine bathing and seven freshwater bathing sites during summer (December to March).

Freshwater sites are tested for E.coli levels and toxic algae blooms. Beaches with elevated levels of bacteria are tested more regularly.

The council issues an AMBER alert if a single sample level of E.coli are greater than 260 units / 100 ml of water. Signs will also be posted at beaches and until water levels return to a safe level.

Pulse Energy updates Swim Guide for the latest water quality information daily, Monday - Friday during the swimming season.

A beach has a GREEN current status when no single sample is greater than 260 E. coli/100 mL and has a rank of GREEN.

A beach has a RED current status in Swim Guide when a single sample is greater than 260 E. coli/100 mL and there is an AMBER or RED rank.

A beach is marked Grey in Swim Guide when there is no current or reliable monitoring information available.

Swimming is not recommended within 48 hours after a heavy rainfall or around stormwater outfalls and at stream mouths.

Data in Swim Guide is sourced from LAWA’s “Can I Swim Here” program.
Visit LAWA’s factsheet on recreational monitoring in NZ here. https://www.lawa.org.nz/learn/factsheets/what-do-the-swim-icons-mean/
LAWA assigns each site a grade, which is based on the last three years of monitoring data from the site.

WATER QUALITY GRAPH



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