Monarch Beach 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 Monarch Beach
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 |
|---|---|---|---|
| Salt Creek Ocean Interface at Monarch Beach - DowncoastSCM1D | Enterococcus | 6 CFU/100ml | |
| Salt Creek Ocean Interface at Monarch Beach - DowncoastSCM1D | Fecal Coliforms | 10 CFU/100ml | |
| Salt Creek Ocean Interface at Monarch Beach - DowncoastSCM1D | Total Coliforms | 10 CFU/100ml | |
| Salt Creek at Monarch Beach - UpcoastSCM1U | Enterococcus | >=4 CFU/100ml | |
| Salt Creek at Monarch Beach - UpcoastSCM1U | Fecal Coliforms | <10 CFU/100ml | |
| Salt Creek at Monarch Beach - UpcoastSCM1U | Total Coliforms | >=30 CFU/100ml | |
| Salt Creek Ocean Interface at Monarch Beach - Zero PointSCM1Z | Enterococcus | <2 CFU/100ml | |
| Salt Creek Ocean Interface at Monarch Beach - Zero PointSCM1Z | Fecal Coliforms | <10 CFU/100ml | |
| Salt Creek Ocean Interface at Monarch Beach - Zero PointSCM1Z | Total Coliforms | <10 CFU/100ml | |
| Monarch Beach NorthOSL25 | Enterococcus | <2 CFU/100ml | |
| Monarch Beach NorthOSL25 | Fecal Coliforms | <10 CFU/100ml | |
| Monarch Beach NorthOSL25 | Total Coliforms | <10 CFU/100ml |
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