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Science-led solutions for land & water

Hydrology, flood and water quality expertise for South East NSW

An independent consultancy in Bega, led by hydrologist Darryl Lindner. Flood and stormwater assessments for development applications, catchment and water quality modelling, and GIS mapping, from a single property to a whole catchment.

Discuss your project Call 0406 645 258

Services

Technical work for developers, landholders, planners, councils, government agencies and other consultancies. Each service has a capability statement you can read online or save as a PDF.

01

Hydrology, Flood & Water Quality

The core of the practice, built on 25 years of catchment and river modelling.

  • Flood and stormwater assessments for development applications
  • Flood study review and flood frequency analysis
  • Catchment, water balance and water supply modelling in eWater Source
  • Water quality and contaminant load assessment
Read the capability statement →
02

GIS Mapping & Remote Sensing

Maps and spatial analysis that stand up in a report or an application.

  • Catchment, waterway and riparian mapping
  • Satellite and aerial imagery analysis, including mapping groundwater dependent ecosystems
  • Site constraints mapping for subdivisions and development
  • QGIS data packages that clients keep and reuse
Read the capability statement →
03

Environmental Reporting & Compliance

Clear, defensible reports that meet consent conditions and regulator requirements.

  • Technical reports supporting development applications
  • Monitoring program design and compliance reporting
  • Water access licence and water approval support
  • Independent technical review of other reports
Read the capability statement →
04

Landscape & Land Condition

Field assessment of how land and water interact, for planning and management decisions.

  • Land capability and erosion risk assessment
  • Catchment condition and baseline assessments
  • Groundwater and surface water interaction
  • Dryland salinity and soil landscape assessment
Read the capability statement →

About Sapphire Land & Water

The person you speak to is the person who does the work.

Sapphire Land & Water was founded in 2026 by Darryl Lindner, a hydrologist with 25 years of experience across water utilities, state and Commonwealth government, research and consulting. Darryl first moved to Bega in 1989 and is based there today.

  • Bachelor of Applied Science (Honours), Water Science, University of Canberra
  • Bulk water supply and drought forecasting for Canberra through the Millennium Drought (ACTEW Water, now Icon Water)
  • Catchment, river and water quality modelling in eWater Source, including at eWater and Alluvium Consulting
  • International experience includes basin-scale hydrology and climate assessment in India (Tungabhadra) and Myanmar (Ayeyarwady), working directly with national agency staff and data
  • Field research on groundwater and surface water interaction, NSW Department of Land and Water Conservation
  • Most recently Associate Hydrologist at Jacobs, leading surface water investigations for the Commonwealth

Clients get senior expertise on every task, with no hand-off to junior staff, and a consultant who knows South East NSW catchments first hand.

Rolling green hills and distant mountains in the Bega Valley, NSW

Area Served

Based in Bega and working across South East NSW and the ACT, with past project experience across the ACT, NSW, Victoria, Queensland, South Australia and the Northern Territory. Modelling, GIS and review work can be delivered anywhere in Australia.

Our Approach

Evidence First

Conclusions rest on data and tested methods, with the uncertainty stated plainly.

Plain Language

Technical results explained so clients, councils and regulators can act on them.

Responsive

Replies within two business days, and deliverables timed to keep projects moving.

Independent

We report what the science shows, even when it isn't the answer you hoped for, and we tell you what would need to change to get your project there.

Discuss Your Project

Tell us what you need and we will reply within two business days.

Talk to Darryl directly

Phone
0406 645 258

Email
info@sapphirelandwater.com.au

Postal address
PO Box 140, Bega NSW 2550

Hours
Monday to Friday, 9 am to 5 pm

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