Browse data wrc_flood_hazard_regional

Waikato Region Flood Hazard

Modelled flood hazard extent across the Waikato region. From Waikato Regional Council via Co-Lab Waikato.

Licence: CC-BY 4.0 Source: Waikato Regional Council (www.waikatoregion.govt.nz), CC-BY 4.0.

Data as of 2026-07-01  · monthly  · 666 rows

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CRS
EPSG:4326

Centroids only — full geometry available via the API or CSV download.

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Dataset ID
wrc_flood_hazard_regional
Data source
Co-Lab Waikato
Last refreshed
2026-07-01
Refresh cadence
monthly
API endpoint
https://api.eolas.fyi/v1/datasets/wrc_flood_hazard_regional/data

Columns (31)

schema glossary · auto-generated
Column Type Description
flood_hazard_id string Flood hazard ID
ta string Territorial Authority (district/city council area)
flood_type string Flood type
area_name string Area name
flood_hzd_name string Flood hzd name
valuation_number string Valuation number
river_or_catchment string River or catchment
map_ref string Map ref
mgmt_plan string Mgmt plan
control_sch string Control sch
flood_protection_works string Flood protection works
works_design_standard string Works design standard
control_sch_flood_levels string Control sch flood levels
ponding string Ponding
hist_flood_1 string Hist flood 1
hist_flood_2 string Hist flood 2
hist_flood_3 string Hist flood 3
hist_flood_4 string Hist flood 4
hist_flood_comment string Hist flood comment
data_ref string Data ref
data_ref_2 string Data ref 2
baseline_quality_category string Baseline quality category
modifier string Modifier
cumulative_data_quality string Cumulative data quality
flood_lvl_and_flow_500_yr string Flood lvl and flow 500 yr
flood_lvl_and_flow_100_yr string Flood lvl and flow 100 yr
notes string Notes
id long ID
shape_area double Polygon area (source projection units)
shape_length double Geometry length/perimeter (source projection units)
geometry_wkt string Geometry as WKT (WGS84) — MULTIPOLYGON/POINT/LINESTRING

How to query this dataset

Fetch all data (JSON)
curl https://api.eolas.fyi/v1/datasets/wrc_flood_hazard_regional/data \
  -H "X-API-Key: your_key_here"
Filter by date range
curl "https://api.eolas.fyi/v1/datasets/wrc_flood_hazard_regional/data?start=2020-01-01&end=2024-12-31" \
  -H "X-API-Key: your_key_here"
Download as CSV
curl "https://api.eolas.fyi/v1/datasets/wrc_flood_hazard_regional/data?format=csv" \
  -H "X-API-Key: your_key_here" -o wrc_flood_hazard_regional.csv

Data preview

Hidden in preview: geometry_wkt — fetch via the API or download CSV to get the full data.
Flood Hazard IdTaFlood TypeArea NameFlood Hzd NameValuation NumberRiver Or CatchmentMap RefMgmt PlanControl SchFlood Protection WorksWorks Design StandardControl Sch Flood LevelsPondingHist Flood 1Hist Flood 2Hist Flood 3Hist Flood 4Hist Flood CommentData RefData Ref 2Baseline Quality CategoryModifierCumulative Data QualityFlood Lvl And Flow 500 YrFlood Lvl And Flow 100 YrNotesIdShape AreaShape Length
W45WaikatoFLOODINGMangawara StreamOlds RoadS13:063-008Managed by Environment Waikato, included in the LWWCS. Included in the Uapoto and North Mangawara drainage districts which are also managed by Environment WaikatoLower Waikato Waipa Control Scheme, Section DYes2%PresentGuy Russell, Environment Waikato. File 80 44 051, Photographs - Film 95/295 neg. 19-22.HighNo additional information foundMediumhttp://www/pdlink/pdlink.asp?docsref=9817031823210.55566406254387.019640250729
W92WaikatoFLOODINGRangiriri/Lower WaikareLake Waikare - MarginsS13:035-125Managed by Environment Waikato, included in the LWWCSLower Waikato Waipa Control Scheme, Community WorksNonePresent19531958Hist_flood1: Jul 1953. Hist_flood2: Feb 1958. Hist_flood3: Feb 1958 (severe inundation).WVA Flood Control Scheme, 1959 and Review 1983. Watson. T 1993, Management of Lake Waikare Control1998 Flood PhotographsHighNo additional data foundMediumhttp://www/pdlink/pdlink.asp?docsref=9817032520439.43457031254731.225484010082
W2WaikatoFLOODINGWhangamarino SwampMeremere MainWaikato RiverS13:930-265Managed by Environment Waikato, included in the LWWCSLower Waikato Waipa Control Scheme, Section BYes1%The design flood flow for the Meremere main area is 1590cumecsYes195319581998Hist_flood1: Jul 1953. Hist_flood2: Feb 1958.Classification Map LWWCS, 1997 Waikato County, Flood Hazard Map 23. LWWCS Asset Management Plan, 1997; 1998 flood photos; 1958 classification mapJuly 1998 Flood photographs, Lower Waikato-Waipa control scheme : land classification and direct benefit analysis for differential rating purposes / Campbell, D.R. ; Adams, M.G. / Environment Waikato, 2001HighNoneHighThe 100 year flow for the Waikato river at this district is 1590 cumecshttp://www/pdlink/pdlink.asp?docsref=98170335393962.922851562526776.835896063123
H32HaurakiFLOODINGHauraki WestWaitakaruru Township areaWaitakaruru RiverS12:228-378Piako River Scheme - Delta Zone and Waitakaruru Schemefour floodgates; stopbank protection1% AEP Tide, 5% AEP Waitakaruru River, 10% AEP in 3 days internal runoffNo19851995Ian Sara; 3 farmers in the areaIan Sara, Draft – The Hydrology of the Waitakaruru River and Maukoro Canal Systems and Drainage of the Pouarua Peat Dome. Waikato Regional Council, Hamilton.Russell, Guy (1993)HighNoneHighhttp://www/pdlink/pdlink.asp?docsref=99383241570452.694335937511532.80176056658
H33HaurakiFLOODINGHauraki WestDesignated Ponding ZoneWaitakaruru CanalS12:210-353Waitakaruru Catchment SchemeStopbank protection on both banks of canalYes19853 farmers in the areaIan SaraHighNoneHighhttp://www/pdlink/pdlink.asp?docsref=99383253349026.00976562510180.436604250122

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