Aerial view of a clear New Zealand stream
New Plymouth · Huatoki Stream

Wai Care
Teaching Hub

A complete teaching resource for the Wai Care stream monitoring programme — covering digital, paper-based, and field delivery methods.

Programme Modules

Water Quality

Temperature, clarity, pH, conductivity, dissolved oxygen, nitrate, phosphate

WIMP Invertebrates

Kick-net sampling, 20-min sort, sensitivity scoring, MCI estimation

Riparian Assessment

Bank vegetation density, native vs exotic ratio, buffer width scoring

Invasive Species

Aquatic and riparian pest identification, reporting protocols

Featured Site — New Plymouth

Huatoki Stream

New Plymouth's most significant urban waterway is being daylighted right now — the Metro Plaza demolition (April 2026) is uncovering a section buried since 1929. No ecological baseline exists yet for this reach. Your students could be the first to record it.

107.5
MCI — Domain Entrance
105.5
MCI — Hadley Road
2026
Daylighting underway
Key Features
Longfin tuna (kōaro) in city centre
Active daylighting — no baseline yet
30+ years TRC monitoring data
Ngāti Te Whiti restoration partnership

Water Quality Bands

Based on NPS-FM 2020 Appendix 2B Table 14. The Estimated MCI is calculated as WIMP Score × 20.

A — Excellent
MCI ≥130
Pristine conditions
B — Good
MCI 100–129
Mild organic enrichment
C — Fair
MCI 90–99
Moderate enrichment
D — Poor
MCI <90
Severe enrichment