Bolsa Chica water quality
Water samples, official beach notices, and an experimental ocean forecast.
Check the current beach notice
Lab results describe water collected on the sample date. Conditions can change between samples.
Check Orange County closures and advisories →Latest available samples in Bolsa Chica
Lab data retrieved . Sample dates are listed below.
Results retain their reported units and qualifiers. DNA copies and culture counts use different methods. Outlet samples describe the outlet, rather than the adjacent swimming beach.
| Monitoring station | Sample date | Indicator | Reported result |
|---|---|---|---|
| Bolsa Chica Reserve33N | Enterococcus | 2 CFU/100ml | |
| Bolsa Chica Reserve33N | Fecal Coliforms | ND0 CFU/100ml | |
| Bolsa Chica Reserve33N | Total Coliforms | 67 CFU/100ml | |
| Bolsa Chica Beach39N | Enterococcus | ND0 CFU/100ml | |
| Bolsa Chica Beach39N | Fecal Coliforms | ND0 CFU/100ml | |
| Bolsa Chica Beach39N | Total Coliforms | 17 CFU/100ml |
The interactive map, charts, and current County notices are loading. You can use the beach links and check the County’s notices above.