We are currently working on how we present information about water quality monitoring for the Wellington region.

Sampling date Location (cfu/100mL)
Indicator organism Type 
28/05/2021  Stream below Happy Valley Tip  190  E. coli  Freshwater Operational (Monthly)
   Stream at Happy Valley Tip Bridge  290  E. coli  
   Stream at Kingston  180  E. coli  
   Lower Careys Gully Stream  150  E. coli  
   Maori Gully Stream  170  E. coli  
19/05/2021  Ōwhiro Bay Beach  150  Enteroccoci  Winter Recreational Bathing (Fortnightly)
05/05/2021  Ōwhiro Stream Mouth  3700  E. coli  Global Stormwater Consent testing and requested testing
   Ōwhiro Stream Mouth 50m east  77  E. coli  
   Ōwhiro Stream Mouth 50m west  2000  E. coli  
   Ōwhiro Stream Parade  800  E. coli  
   Ōwhiro Stream Landfill  76  E. coli  
   Ōwhiro Bay Beach  4  Enteroccoci  
   Ōwhiro Bay Beach  8  Enteroccoci  Winter Recreational Bathing (Fortnightly)
29/04/2021  Stream below Happy Valley Tip  520  E. coli  Freshwater Operational (Monthly)
   Stream at Happy Valley Tip Bridge  160  E. coli  
   Stream at Kingston  110  E. coli  
   Lower Careys Gully Stream  170  E. coli  
   Maori Gully Stream  44  E. coli  
21/04/2021  Ōwhiro Stream Landfill  164  E. coli  Global Stormwater Consent testing 
   Ōwhiro Stream Parade  758  E. coli  
   Ōwhiro Bay Beach  110  Enteroccoci  
   Ōwhiro Bay Beach  130  Enteroccoci  Recreational Bathing (Fortnightly)
08/04/2021  Ōwhiro Stream Mouth  130  E. coli  
   Ōwhiro Stream Mouth 50m east  100  E. coli  
   Ōwhiro Stream Mouth 50m west  180  E. coli  Requested sampling
07/04/2021  Ōwhiro Bay Beach  150  Enteroccoci  Recreational Bathing (Fortnightly)
24/03/2021  Ōwhiro Bay Beach  380  Enteroccoci  Recreational Bathing (Fortnightly) - investigation underway
18/03/2021  Stream below Happy Valley Tip  160  E. coli  Freshwater Operational (Monthly)
   Stream at Happy Valley Tip Bridge  320   E. coli  
   Stream at Kingston  260   E. coli  
   Lower Careys Gully Stream  69   E. coli  
   Maori Gully Stream  250   E. coli  
10/03/2021  Ōwhiro Stream Mouth  520  E. coli  Coastal & Freshwater sampling 
   Ōwhiro Stream Mouth 50m east  4  E. coli  
   Ōwhiro Stream Mouth 50m west  68  E. coli  
   Ōwhiro Stream Parade  1600  E. coli  
   Ōwhiro Bay Beach  <4  Enteroccoci  (Coastal testing, different location)
   Ōwhiro Bay Beach  4  Enteroccoci  Recreational Bathing (Fortnightly)
   Ōwhiro Stream Landfill  156  E. coli  Global Stormwater Consent testing 
24/02/2021  Ōwhiro Bay Beach  <4  Enteroccoci  Recreational Bathing (Fortnightly)
18/02/2021  Stream below Happy Valley Tip  320  E. coli  Freshwater Operational (Monthly)
   Stream at Happy Valley Tip Bridge  330  E. coli  
   Stream at Kingston  390  E. coli  
   Lower Careys Gully Stream  220  E. coli  
   Maori Gully Stream  190  E. coli   
10/02/2021  Ōwhiro Bay Beach  8  Enteroccoci  Recreational Bathing (Fortnightly)
   Ōwhiro Bay Beach  <4  Enteroccoci  (Coastal testing, different location)
   Ōwhiro Stream Parade  2300  E. coli   Global Stormwater Consent testing  (Rainfall event)
   Ōwhiro Stream Landfill  1000  E. coli   
27/01/2021  Ōwhiro Bay Beach  8  Enteroccoci  Recreational Bathing (Fortnightly)
20/01/2021  Stream below Happy Valley Tip  220  E. coli   Freshwater Operational (Monthly)
   Stream at Happy Valley Tip Bridge  480   E. coli   
   Stream at Kingston  <4   E. coli   
   Lower Careys Gully Stream  170   E. coli   
   Maori Gully Stream  140   E. coli   
13/01/2021  Ōwhiro Bay Beach  <4  Enteroccoci  Recreational Bathing (Fortnightly)
   Ōwhiro Bay Beach  <4  Enteroccoci  Global Stormwater Consent testing
   Ōwhiro Stream Parade  96  E. coli   
   Ōwhiro Stream Landfill  124  E. coli   
30/12/2020  Ōwhiro Bay Beach  20  Enteroccoci  Recreational Bathing (Fortnightly)
   Ōwhiro Bay Beach   20  Enteroccoci  Global Stormwater Consent testing
23/12/2020  Ōwhiro Bay Beach  4  Enteroccoci  Recreational Bathing (Fortnightly)
21/12/2020  Ōwhiro Bay Beach  300   Enteroccoci  Recreational Bathing (Fortnightly) (Rainfall event)
18/12/2020  Stream below Happy Valley Tip  5600  E. coli   Freshwater Operational (Monthly)
   Stream at Happy Valley Tip Bridge  160  E. coli   
   Stream at Kingston  200  E. coli   
   Lower Careys Gully Stream  96  E. coli   
   Maori Gully Stream  40  E. coli   
16/12/2020  Ōwhiro Bay Beach  <4  Enteroccoci  Recreational Bathing (Weekly)
9/12/2020  Ōwhiro Stream U/S Landfill  529  E. coli  
   Ōwhiro Stream Parade  531  E. coli  Global Stormwater Consent testing
   Ōwhiro Stream Landfill  529  E. coli  
   Ōwhiro Bay Beach  <4  Enteroccoci  Global Stormwater Consent testing
   Ōwhiro Bay Beach  <4  Enteroccoci  Recreational Bathing (Weekly)
2/12/2020  Ōwhiro Bay Beach  16  Enteroccoci  Recreational Bathing (Weekly) 
27/11/2020  Ōwhiro Bay Beach   <4   Enteroccoci  Recreational Bathing (Weekly)
26/11/2020  Stream below Happy Valley Tip  5900  E. coli   Freshwater Operational (Monthly) (rainfall event)
   Stream at Happy Valley Tip Bridge  2800  E. coli  
   Stream at Kingston  5800  E. coli  
   Lower Careys Gully Stream  2500  E. coli  
   Maori Gully Stream  6000  E. coli  
25/11/2020  Ōwhiro Bay Beach  730  Enteroccoci  Recreational Bathing (Weekly) (rainfall event)
19/11/2020  Ōwhiro Bay Beach  76  Enteroccoci   Recreational Bathing (Weekly)
18/11/2020  Ōwhiro Bay Beach  570  Enteroccoci   Recreational Bathing (Weekly) (rainfall event)
11/11/2020  Ōwhiro Stream Parade  412  E. coli  Global Stormwater Consent testing
   Ōwhiro Stream Landfill  519  E. coli  
   Ōwhiro Bay Beach  24  Enteroccoci   Global Stormwater Consent testing
   Ōwhiro Bay Beach   24  Enteroccoci   Recreational Bathing (Weekly)
4/11/2020  Ōwhiro Bay Beach  <4   Enteroccoci  Recreational Bathing (Weekly)
28/10/2020  Ōwhiro Bay Beach  36  Enteroccoci  Recreational Bathing (Weekly)
21/10/2020  Stream below Happy Valley Tip  1300  E. coli  Freshwater Operational (Monthly) (Rainfall event)
   Stream at Happy Valley Tip Bridge  2000  E. coli  
   Stream at Kingston  100  E. coli  
   Lower Careys Gully Stream  260  E. coli  
   Maori Gully Stream  12  E. coli  
14/10/2020  Ōwhiro Bay Beach  100  Enteroccoci  Recreational Bathing (Fortnightly)
   Ōwhiro Stream Parade  631  E. coli  Global Stormwater Consent testing
   Ōwhiro Stream Landfill  176  E. coli  Global Stormwater Consent testing
2/10/2020  Ōwhiro Bay Beach  4  Enteroccoci  Recreational Bathing (Fortnightly)
23/09/2020  Ōwhiro Bay Beach  20   Enteroccoci   Recreational Bathing (Fortnightly)
22/09/2020  Stream below Happy Valley Tip  150  E. coli  Freshwater Operational (Monthly)
   Stream at Happy Valley Tip Bridge  200  E. coli  
   Stream at Kingston  260  E. coli  
   Lower Careys Gully Stream  88  E. coli  
   Maori Gully Stream  24  E. coli  
15/09/2020  Ōwhiro Bay Beach  <4  Enteroccoci   Pollution investigation
   Ōwhiro Stream Parade  172  E. coli  
   Stream below Happy Valley Tip  184  E. coli  
   Stream at Happy Valley Tip Bridge  172  E. coli  
   Stream at Kingston  15  E. coli  
   Lower Careys Gully Stream  216  E. coli  
   Ōwhiro Stream Landfill  52  E. coli  

Any significant change in results will trigger a detailed investigation. The regular sampling programme may be supplemented by one-off sampling in accordance with resource consent conditions, should we experience an incident with the network. For more information on our tests, what we test for and how we do it, click here.

Is it safe to swim?

To find out the current status of Ōwhiro Bay for swimming please visit the Land Air Water Aotearoa (LAWA) website

Workstream

 A collaboration between Wellington Water and the Ōwhiro Bay community