Ahuroa River at Piroa Falls

Maungaturoto, Northland

Piroa Falls is situated on the Ahuroa River in the Waipu Gorge Scenic Reserve, located 7km from SH1. The falls are a 5-minute walk along the track down through bush into the gorge. This is a popular tourist site due to scenery, short walking distance and the picnic area at the base of the falls. Dogs are not allowed at the falls without a permit.

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Water Quality

Passed water quality tests 60-95% of the time
Historical Status
This status is based on the latest sample, taken on February 6th, 2023. The Swim Guide - New Zealand updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on February 6th, 2023 at 2:40 PM.

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Monitoring Frequency

Source Information

Northland Regional Council monitors water quality at popular swimming spots throughout the Northland region.
Water quality data on Swim Guide is sourced from the LAWA Can I Swim Here? website. www.lawa.org.nz/swim

At this site, water is regularly tested for levels of E. coli during the summer months. This faecal indicator bacteria is used to indicate the level of harmful pathogens in the water.

See information on recreational water quality monitoring in New Zealand in the LAWA factsheet: https://www.lawa.org.nz/learn/factsheets/coastal-and-freshwater-recreation-monitoring/

Beach sites are shown as a GREEN swim icon if the latest E. coli test result was in the range of 0 - 550 E. coli / 100 mL.

Beach sites are shown as a RED swim icon if the latest test result exceeded 550 E. coli / 100 mL or if this site frequently exceeds the standard or there is a temporary water quality issue outside the routine testing programme (e.g. sewage overflow).

See information on the standards for recreational water quality monitoring in New Zealand in the 'What do the swim icons mean?' LAWA factsheet.

LAWA recommends for all sites, to avoid swimming for 2 - 3 days after significant rain, even for sites that normally have good water quality.

A good rule of thumb is to check that you can see your toes in knee deep water.

See www.lawa.org.nz/swim for up to date information on current warnings and alerts, weather conditions, real-time water temperature and flow rates, and what facilities are available, the monitoring history at this site and helpful factsheets.

Water Quality Graph