overabundance of algae and aquatic weeds,
impact on the growth of sensitive species, or
even become toxic to freshwater organisms.
Five sites are monitored for ammonia, all of
which fall within band A. At these sites, ammonia
is not likely to have any toxic effect, even on the
most sensitive species. Modelling estimates
(Figure 4) however, suggest that around 66% of
rivers or streams are in band A, while 34% are in
band B.
Five sites are monitored for nitrate. One
Needs Water.
Nitrates in groundwater at 27 sites
Groundwater levels at 10 sites
Pesticides in groundwater at 7 sites
Snow
Evaporation
Evaporation
Rain
Snow
Groundwater flow
Surface
runoff
Water Cycle
Irrigation circle in south Taranaki
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Juni r Environmentalists Page
Word find
S ITE 20 ISSUE NO.JULY 14 70
abandoned well
biodegradable
chemical
clean
conservation
depletion
drinking
environment
glass
irrigation
Time: Many people find the distances too far or the time constraints too tight,
especially when balancing work commitments.
• Weather: Bad weather, rain and wind were frequently cited as deterrents to active travel.
• Safety Concerns: Issues with unsafe crossings, pathways and roads, as well as concerns about the
safety of walking or biking, were prevalent.
• Infrastructure: Lack of proper infrastructure, such as bike lanes, bus shelters and safe road
crossings, was a common
River water quality
Nutrients
Ammonia, nitrate, and phosphorus are important for plant growth, but in excess amounts can cause
problems in freshwater. They can lead to an overabundance of algae and aquatic weeds, impact on the
growth of sensitive species, or even become toxic to freshwater organisms.
One site is monitored for ammonia, and falls in band A. At this site, ammonia is likely to have little to no
observed effect on ecosystem health. Modelled estimates supports the
Waitaha catchment consent monitoring report - Taranaki Regional Council.
before being pumped to a nearby reservoir. The water supply is reticulated to approximately 2,300 separate
customers.
Filter backwash is discharged via a large pond. The outlet from the pond is an inverted pipe located at the
opposite end of the pond from the inlet. The discharge from the pond emerges from the pipe to fall over a
small waterfall. At the base of the waterfall the discharged water runs down a natural cobbled channel
beneath native riparian vegetation for approximately 10m
Colson Rd landfill leachate 22
Table 4 Results of analysis of under liner drainage 23
Table 5 Chemical analysis of the Manganaha Stream 24
Table 6 Chemical analysis of the Puremu Stream, sampled on 11
December 2013 25
Table 7 Chemical analysis of the Puremu Stream, sampled on 14
March 2014 26
Table 8 Results of metal analysis undertaken on 13 December 2013 27
Table 9 Results of rain event monitoring samples taken on 1 October
2013 28
Table 10 Results of rain event monitoring
stormwater catchments were
clean. The Herekawe Stream was in low flow, with slight turbidity resulting from the discharge that
dissipated within 25 m. There were no visible emissions to air. An odour survey was conducted around the
site at and no odours were noted.
22 February 2019
There was light rain falling during the inspection, however only 3 mm of rainfall had been recorded over the
previous week at the Brooklands Zoo monitoring station. Stormwater pond SV8000 contained 800 m3 of
relation to composting and waste water irrigation areas.
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Photo 1 A fyke net, set at site 2, Haehanga Stream.
Results and Discussion
On the day that the nets were set, a localised rain event caused flows to increase in the Haehanga Stream.
This also resulted in the discharge of sediment-contaminated stormwater into the Haehanga Stream,
resulting in discolouration. Although discolouration is frequently noted in this catchment, the degree of
discolouration at sites 2 and 3 was
Operations and Regulatory Committee Agenda