Ingancin ruwa a Taranaki sanannen lamari ne na muhalli ga yawancin masu ruwa da tsaki tare da nuna damuwa game da yuwuwar tasirin noma da kiwo a New Zealand da masana'antar petrochemical. Albarkatun ruwa a Taranaki suna ƙarƙashin ikon Majalisar Yankin Taranaki (TRC) a ƙarƙashin Dokar Gudanar da Albarkatu (RMA), kuma fitar da ruwa yana buƙatar izinin albarkatu. TRC Hukumar tana lura da ingancin hanyoyin ruwa kuma tana buga rahotannin sabuntawa akan muhallin. A cikin ƙasa, an danganta tabarbarewar ingancin ruwa tare da ƙaruwar adadin shanun kiwo da kuma amfani da takin nitrogen. TRC ta ba da shawarar cewa kiwo bai ƙaru a Taranaki ba tun shekarar 2000 kuma ingancin ruwa yana da kyau kuma yana samun kyau. A cikin shekarata 2015, yawan shanun kiwo ya kasance 493,361, karuwar 2.5% akan 1998/99, tare da yawan shanu 2.85 a kowace hekta (2.8 a 1998/99). Wata bita na Kifi &amp; Game da Forest &amp; Bird ya gano cewa ba a aiwatar da matakai da yawa da aka yi niyya don magance gurɓataccen kiwo ba.