Summary:
This map shows Ambient NO3-N concentrations for groundwater managment zones for the period 1987-2006 as calculated for the Ambient
Water Quality Report. Click on the map feature with the ID tool to get
additional information as described in the Map Layers Section below.
Additional tools are available by clicking the buttons along the top of the map as described in the Custom Tools Section below.
Map Layers:
| Name | Description | ID Tool Information |
| NO3-N Ambient Water Quality 1987 - 2006 (mg/L) | Calculated Ambient NO3-N concentration for each Groundwater Management Zone using groundwater data collected for the report | Groundwater Management Zone name, Ambient NO3-N concentration, NO3-N Objective. Links to pdf maps of NO3-N for managment zone. |
| Roads | Freeways and Streets | |
| Hydrography | Rivers and Lakes | |
| Terrain | Shaded elevation |
| Name | Description |
| Find Management Zone | Use this tool to select a Groundwater Managment zone from a drop-down list and highlight the selected feature on the map. |
| Show Above TDS Ojective | Click this button to highlight all Groundwater Management Zones having a calculated Ambient NO3-N concentration greater than the NO3-N objective. |
| Clear Above Objective | Click this button to clear the results of the Show Above NO3-N Objective from the map. |