1 / 9

ECan approaches to managing nutrient losses to groundwater

ECan approaches to managing nutrient losses to groundwater. Proposed Natural Resources Regional Plan. Land & water chapters notified – July 2004 3 objectives – numerical water quality outcomes Groundwater: Maintain high quality groundwater

marva
Download Presentation

ECan approaches to managing nutrient losses to groundwater

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ECan approaches to managing nutrient losses to groundwater

  2. Proposed Natural Resources Regional Plan • Land & water chapters notified – July 2004 • 3 objectives – numerical water quality outcomes • Groundwater: • Maintain high quality groundwater • < 2mg/L N above max. conc. measured between 1996 & 2001 & not exceed 11.3 N mg/L • Community water sources: < 5.6 N mg/L • A mix of methods • Regulation • Education • Investigations

  3. Regulation • under the RMA – a hierarchy of controls through regional rules

  4. Permitted Controlled Discretionary Non- Prohibited

  5. Regulation • Regional rules – more stringent conditions, e.g. • discharge animal effluent to land • domestic wastewater systems • construction of bores • more activities covered by rules. e.g. • feed pads • effluent storage ponds • reticulated sewerage networks • apply to new activities commencing after date of plan notification • Review of existing resource consents • land discharges from processing plants

  6. Reduction in nitrate leaching required Nitrate leaching concentration in soil drainage water (mgL-1 NO3-N) 16 Nutrient budget mandatory Best management practices required 8 0 No action required A new approach – controls on the use of land that may result in the discharge of nitrate into gw Threshold 2 Threshold 1

  7. Nitrate leaching rule cont. • Landowner takes responsibility for managing nitrate leaching • Estimate average annual N03 loss below rooting zone for the property • Requires a nutrient management model • Comes into effect when plan is operative

  8. Plan implementation issues – nitrate leaching rule • Promote the new rule • information on best management practices • workshops, e.g. farm advisors, farming groups • Compliance monitoring • which areas or land uses, and how often? • improving staff skills & knowledge • Nutrient management models • plan does not prescribe a specific model • ECan contributing to the development of a nutrient model for arable farming

  9. Education and advocacy • Promote best management practices • Pasture management • Timing of cultivation • Nitrification inhibitors • Adoption of codes of practice • Whole-farm nutrient management systems • Work with landowners to improve groundwater quality

More Related