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Language: en-GB

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nutrient-neutrality-calculator-1
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NutrientMonkey opens on Natural England’s nutrient budget methodology, running entirely in the browser. Catchment: Poole Harbour SPA / Ramsar. Nutrient assessed: nitrogen.

nutrient-neutrality-calculator-2
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The “Example” button is used to load a worked scheme.

nutrient-neutrality-calculator-3
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A toast confirms it: a 4-dwelling scheme in the Poole Harbour SPA / Ramsar catchment, “Land at Meadow Lane”, Dorset Council, planning ref EC-DEMO-NN.

nutrient-neutrality-calculator-4
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The waste-water worksheet fills in: 4 dwellings, occupancy 2.4 people per dwelling, Building Regs minimum 125 l/p/d, mains sewer to waste water treatment, a 20 mg/l TN current permit and 10 mg/l after 2030.

nutrient-neutrality-calculator-5
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The dwelling count is changed — 4, then 6, then 8 — and the header budget updates live with every keystroke: 11.22, then 16.99, then 22.57 kg N per year.

nutrient-neutrality-calculator-6
00:00:15.000 --> 00:00:19.000
The nutrient budget and credits worksheet: waste water pre-2030 18.92, current land use 0.96, future land use 0.85, SuDS removal 0.00. Budget pre-2030 22.57 and post-2030 11.22, so nitrogen mitigation required = 22.57 credits, permanent total.

nutrient-neutrality-calculator-7
00:00:19.000 --> 00:00:22.550
Closing card — NutrientMonkey, the free nutrient neutrality calculator, all 27 catchments, nitrogen and phosphorus.