i08 GroundwaterLevelChangeSeasonal Contours

This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between two specified years, by season. Contours represent change in groundwater level (elevation) by year and season (fall or spring). The contour interval is 10 ft. The contours represent lines of equal change in groundwater level surface. Positive values indicate groundwater has risen (groundwater surface elevation has increased) from the early year to the late year, while negative values indicate groundwater level surface has fallen (decreased in elevation ) from the early year to the late year. For 'Elevation' type contours, contours represent lines of equal elevation of the estimated groundwater level surface above mean sea level. Higher contour values indicate higher elevations of the estimated groundwater level. Water level measurements used for contouring are selected based on measurement date and well construction information, where available, and approximate groundwater levels in the unconfined to uppermost semi-confined aquifers.

Data and Resources

Field Value
accessLevel public
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
datagov_dedupe_retained 20250724164837
identifier 8e8a2126-9916-424e-9eb6-9d47ad2f4760
issued 2023-06-22T20:20:06.000Z
license http://www.opendefinition.org/licenses/cc-by
modified 2025-05-29T16:17:16.000Z
publisher California Department of Water Resources
resource-type Dataset
source_datajson_identifier true
source_hash aea8e15676315978e0322dba47a6026bb44b31027be82852f162af16020885ed
source_schema_version 1.1
theme {"Natural Resources",Water}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • california
  • california-department-of-water-resources
  • department-of-water-resources
  • dwr
  • dwr-gis-atlas
  • farming
  • geoscientificinformation
  • groundwater
  • groundwater-level
  • hydrogeology
  • sgma
  • water-resources
isopen False
license_id other-license-specified
license_title other-license-specified
maintainer DWR GIS
maintainer_email gis@water.ca.gov
metadata_created 2025-09-24T08:20:55.560270
metadata_modified 2025-09-24T08:20:55.560281
notes <span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'>This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between two specified years, by season. Contours represent change in groundwater level (elevation) by year and season (fall or spring). The contour interval is 10 ft. The contours represent lines of equal change in groundwater level surface. Positive values indicate groundwater has risen (groundwater surface elevation has increased) from the early year to the late year, while negative values indicate groundwater level surface has fallen (decreased in elevation ) from the early year to the late year. For 'Elevation' type contours, contours represent lines of equal elevation of the estimated groundwater level surface above mean sea level. Higher contour values indicate higher elevations of the estimated groundwater level. Water level measurements used for contouring are selected based on measurement date and well construction information, where available, and approximate groundwater levels in the unconfined to uppermost semi-confined aquifers.</span>
num_resources 6
num_tags 20
title i08 GroundwaterLevelChangeSeasonal Contours