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Nanoose (Area E) Water Monitoring

Nanoose (Area E) Water Monitoring Map


The RDN and residents of Nanoose value sustainable water supply within the area. To better understand water in Area E, the RDN is working to collect more data and better information on local groundwater and surface water. Long-term monitoring of wells and streams will enable trends to be observed and management practices to be based on the state of the water resource.

Overall context:

In 2013, a preliminary Water Budget Study for the Regional District of Nanaimo was completed. This Nanoose-specific monitoring program is a follow-up to the regional water budget study, focusing on this sub-region.

This Nanoose (Area E) Water Monitoring will see expanded data collection within the geographical area, resulting in a higher resolution understanding of groundwater and surface water characteristics in Nanoose. This will enable more accurate water budget calculations that look at supply, demand and resulting stress level. Ultimately this information will be used to support sustainable development decisions and protect water resources over the long term.

Phase 1 Monitoring Plan:

Phase 1 of this long-term monitoring program commenced in the Parker Road area of Nanoose, in the immediate vicinity of where a new RDN water service area well is located. The objective of this phase 1 monitoring program is to understand long-term capacity of the aquifer and determine sustainable operating parameters for the RDN well, so that the wells in the surrounding area are not significantly impacted. This phase 1 monitoring will be used as a pre-cursor to the Nanoose (Area E) wide monitoring program, to be developed and implemented over the next 2-3 years.

Monitoring of volunteered private wells for phase 1 began April 1st, 2015 and continues to present. Water levels are tracked with a data logger in each well, to understand impacts of pumping, seasonal changes to do with climate and long-term trends with both. Electrical conductivity is monitored in some of the coastal wells to gauge if there is concern with saltwater intrusion occurring.

Notes from meetings with the residents of the Parker Road area:

Presentations from hydrogeologists

Data Graphs:

(UPDATED JUNE 24, 2016) The following graphs are for the 15 wells monitored in the Parker Road area as a part of this program. Individual well owners know the unique identifier for their well so they may look-up their results. 'B' stands for bedrock and 'O' stands for overburden. The data displayed in the graphs shows groundwater elevation (water level), rainfall (from the Fairwinds Golf Course rain gauge), and electrical conductivity (EC) where applicable. Data has been collected since approximately April 1st, 2015 and these graphs are current to April 28th, 2016.

The subject well has only been pumped on the following dates:

Important Notes: The purpose of the 72 hour pump test was to intentionally stress the well in order to understand the connection and response in other nearby wells. This is standard professional practice in well assessment procedures. The 72 hour pumping test was run at 105 US gpm, which is a much higher rate than a community well would ever be operated at. The test was successful in identifying relationships between wells that will allow us to determine safe, sustainable operating rates for the well that will not significantly impact the functioning of neighbouring wells.

Please note that short term deviations in conductivity readings in the proposed community well during the 72 hour test is largely due to instrumentation errors and re-calibration resulting from flow velocity changes at the beginning and at the end of the test.

Also note that during the 72 hour pump test, all data loggers were reprogrammed to collect water level readings at 1 minute intervals. Therefore if the water level graph looks different in the wells between Oct. 19-26, it is for this reason; there are more data points being recorded and so more pumping events are observed in the graph.

Results of the past year of monitoring provides a baseline understanding for the 15 wells in the area. This analysis is included in the report: "Rating and water quality of the proposed community well at 2729 Parker Road after a 72hr Constant Rate Test; and results of 1-year Baseline Monitoring of 15 Wells". [ CLICK HERE ] for the report.

Please direct any questions to the contact form at the bottom of this page.

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Last Modified:  Feb 17, 2017
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