Kaupokonui Stream

at Beach Domain
Unsuitable for swimming
Last sampled: 01 Dec 2025

Manganui River

at Everett Park
Unsuitable for swimming
Last sampled: 02 Dec 2025

Oakuramatapu River

at Corbett Park
Caution advised
Last sampled: 02 Dec 2025

Patea River

at boat ramp
Suitable for swimming
Last sampled: 02 Dec 2025

Patea River

at King Edward Park Scout Den
Unsuitable for swimming
Last sampled: 02 Dec 2025

Te Henui Stream

at mouth
Unsuitable for swimming

Timaru Stream

at end of Weld Road (near mouth)
Unsuitable for swimming
Last sampled: 02 Dec 2025

Tongaporutu River

at boat ramp
Suitable for swimming
Last sampled: 02 Dec 2025

Urenui River

at river mouth
Unsuitable for swimming
Last sampled: 02 Dec 2025

Waingongoro River

250m upstream of mouth
Unsuitable for swimming
Last sampled: 01 Dec 2025

Waingongoro River

at Taumata Park
Unsuitable for swimming
Last sampled: 02 Dec 2025

Waitara River

at Town Wharf
Unsuitable for swimming
Last sampled: 02 Dec 2025

Waitara River

at Bertrand Road
Unsuitable for swimming
Last sampled: 02 Dec 2025

Waiwhakaiho River

adjacent to Lake Rotomanu
Poor
Long-term grade

Waiwhakaiho River

at Merrilands Domain
Poor
Long-term grade

Waiwhakaiho River

at Meeting of the Waters
Unsuitable for swimming
Last sampled: 01 Dec 2025

Water quality changes, so avoid swimming for 2 – 3 days after heavy rain.
See lawa.org.nz/swim for more info on popular swim spots.