Level decisions

Agreements on water levels sometimes need to be renegotiated. Circumstances and insights can change. We recently made thirteen new water level decisions. The measures for eleven of these decisions have already been implemented. We are currently working on the implementation measures for two of the decisions: Fivelingo and Spijksterpompen.

Level decisions in preparation

Most monitoring decisions relate to the subsidence caused by natural gas extraction. In these areas in North Groningen, subsidence exceeds 10 centimeters. This affects the functioning of the water system.

An exception to this is the draft water level decision for Dwarsdiep in the Zuidelijk Westerkwartier. This water level decision is necessary for the redevelopment of the stream valley to enable water storage and nature development.

Adopted water level decisions

In recent years, the general board has adopted a number of new water level decisions. There were various reasons for this. The water level decisions adopted since 2019 are:

Fivelingo bosom

A new water level decision for the Fivelingo basin is in preparation.

If you have any problems reading the digital document, please contact us by email: uitvoeringpeilbesluiten@noorderzijlvest.nl

Spiked pumps

At the end of 2020, we started preparations for the Spijksterpompen water level decision.

  • In 2022, we spoke with farmers and landowners about the current functioning of the water system.
  • Using the results of the studies, our calculation models, and information from the surrounding area, we will draw up a draft water level decision in the second quarter of this year. 
  • In the third and fourth quarters, we will organize regional meetings to discuss this draft water level decision with all stakeholders.
  • Interactive site Water Level Decision Spijksterpompen (digital document storymap arcgis.com)

Casper Men

On December 14, 2022, the general board of the Noorderzijlvest water authority adopted the Casper Hommes water level decision. The Casper Hommes polder is located in an area where land subsidence due to natural gas extraction is occurring, which is affecting the water system. That is why a new water level decision has been adopted.

Announcement of Casper Hommes' decision

Transverse depth  

On June 5, 2024, the general board of the Noorderzijlvest water authority adopted the Dwarsdiep water level decision. This water level decision is necessary for the redevelopment of the stream valley in accordance with the area plan for the Dwarsdiep area. To implement this, adjustments to the water system are required. The water level decision adopted contains the new water levels to be set and the necessary constructions for this. 

Finalized water level decision for Dwarsdiep

The official announcement of the water level decision can be found at www.overheid.nl:

Electraboezem, 1st peel

On October 27, 2021, the general board of the Noorderzijlvest water authority adopted the water level decision forthe first phaseof the Electraboezem.

The Electraboezem1st shellwater level area is located in an area where land subsidence occurs due to natural gas extraction. This affects the water system, which is why a new water level decision has been drawn up.

Fanerpolder, Zuidhorner Zuidpolder, Vredewold, Lagemeeden, Nienoord, and Lettelbert/Driepolders

A new water level decision was adopted for these polders in June 2019. The water level decision was implemented within the Zuidelijk Westerkwartier district.

  • These polders are quite low-lying and have a high water level. When there is heavy rainfall, the water from ditches can sometimes overflow onto the land. Standards have been agreed in the National Administrative Agreement on Water Management regarding how often this may occur. This means that grassland may be flooded with water from the surrounding ditches once every 10 years. This is permitted on 5% of the lowest part of the polder.
  • Peat occurs here and there in the subsoil of the six polders. This means that we cannot simply lower the water levels. Lowering water levels can lead to subsidence in peat soils.

Fledderbosch - Our Interest

On December 15, 2021, the General Board of the Noorderzijlvest Water Authority adopted the Fledderbosch - Ons Belang water level decision.
The Fledderbosch - Ons Belang polder is located in an area where soil subsidence due to natural gas extraction is occurring, which is affecting the water system. That is why a new water level decision has been drawn up.

Garmerwolde - Rottegat

On July 12, 2023, the General Board of the Noorderzijlvest Water Authority adopted the Garmerwolde-Rottegat water level decision. The Garmerwolde-Rottegat Polder is located in an area where land subsidence due to natural gas extraction is occurring, which is affecting the water system. That is why a new water level decision has been drawn up.

Finalized water level decision Garmerwolde - Rottegat

Noorderzijlvest on www.overheid.nl:Water Board Journal 2023, 10502 | Overheid.nl > Official announcements (officielebekendmakingen.nl)

Oudezijl

On July 12, 2023, the General Board of the Noorderzijlvest Water Authority adopted the Oudezijl water level decision.
The Oudezijl Polder is located in an area where land subsidence due to natural gas extraction is occurring, which is affecting the water system. That is why a new water level decision has been drawn up.

Finalized water level decision for Oudezijl

Water Board Journal 2023, 10502 | Overheid.nl > Official announcements (officielebekendmakingen.nl)

Paterswoldsemeer

On July 6, 2022, the general board of the Noorderzijlvest water authority adopted the Paterswoldsemeer water level decision.

More information Water level decision for Paterswoldsemeer finalized

Hemert Polder

A new water level decision was adopted for this polder in November 2020. This was necessary because the polder is located in an area where the ground is subsiding due to natural gas extraction. This affects the functioning of the water system.

Polder Dikes-Bakkerom

A new water level decision was adopted for this polder in October 2019. We did this for the following reasons:

Delthe Polder

A new water level decision was adopted for this polder in October 2019. This was necessary because the polder is located in an area where the ground is subsiding due to natural gas extraction. This affects the functioning of the water system.

Target levels

If you would like to know what the target levels are in our management area, please refer to our water board map.

  • On the map on the left side of the page, click on '>' to open the map layer list.
  • Here you can check the 'Water level areas' layer.
  • You can now zoom in on the map to see all the information you need. 

GeoWeb 5.6 (noorderzijlvest.nl)

Would you like information about established water level decisions? Please contact us atpeilbesluiten@noorderzijlvest.nl.