News Flash

Maintenance Activity at the WRCRWA Treatment Plant

Maintenance will occur on Wednesday, November 6 and Thursday, November 7. Staff is taking all necessary steps to minimize odor excursions.

Pungent, Ammonia

Delayed Odor Complaint Response and Investigation results - No problems reported in the log book.  Odor walk results were no human waste odors.  Manure odors detected coming from the farmland West of the Treatment Plant. No odors were de...

Pungent, Ammonia

Odor experienced for 13 minutes.

Putrid, Fishy Odor, Rotten Eggs,

WRCRWA staff contacted complainant and indicated there have been increased farming activities to the West of the WRCRWA Treatment plant. Manure odors had been detected on and off since last week. 

Human Waste

Delayed Odor Complaint and Investigation results - fence line sampling conducted on 10/21 at 4:15 and no odors were detected at any of the sample sites. Wind direction was from the East.  All odor scrubber equipment running as intended. No issues...

Putrid, Fishy Odor

Complaints received at 5:30 PM and 7:00 PM.

Putrid, Fishy Odor

Delayed Odor Complaint Response and Investigation results - Odor patrol conducted at 3:30 PM and nothing noted out of the ordinary.  Odor scrubbers and all equipment  operating as intended. 

Putrid, Fishy Odor

Wind was calm

Putrid, Fishy Odor

Delayed Odor Complaint Response and Investigation results - All processes running as intended. No ammonia or hydrogen sulfide detected from chemical scrubber outlets during plant rounds. Typical chemical odors detected near the East gate entrance.&nbs...

Pungent, Ammonia

Odor Complaint Response and Investigation results - Normal operating conditions.  All equipment operating parameters met. No hydrogen sulfide or ammonia detected from chemical scrubbers.  Inspected all doors to solar dryer to ensure they...

Putrid, Fishy Odor

Complaint indicates odor has lasted 30 minutes. Weather was sunny with a light breeze.

Putrid, Fishy Odor

Delayed Odor Complaint Response and Investigation results - all processes running as intended.

Putrid, Fishy Odor

Delayed Odor Complaint Response and Investigation Results - No abnormalities noted in log book. Chemical scrubber trend within normal range.  Staff cleaned all pH probes and ORP probes for all three scrubber stages. Calibrated stage 1 pH probe, r...

Wind Blowing Manure Dust

High winds are kicking up dust and manure in the fields adjacent to the WRCRWA Treatment Plant

Strong Manure Aroma Coming from the Northwest

Since 9/27/2019, there has been a strong odor of manure coming from the Northwest of the WRCRWA Treatment Plant

Putrid, Fishy

Delayed odor complaint response and investigation results - Odor patrol conducted at 4:00 PM, typical chemical odor noticed. Manure smell coming from northwest of the WRCRWA Treatment Plant.  All equipment operating as intended.

Putrid, Fishy

Odor noticed at 5:20 PM and reported at 5:30 PM

Pungent, Ammonia, Putrid, Fishy Odor

Odor Complaint Response and Investigation results -Pungent, Ammonia, Putrid, Fishy Odor

Staff looked over chemical scrubber trends. All trends were normal and did not show any abnormal operating conditions. Log book did not mention any issues during the wo...

Putrid, Fishy Odor

Odor Complaint Response and Investigation results - Concerns of putrid fishy odor. 

Staff looked over chemical scrubber trends. All trends were normal and did not show any abnormal operating conditions. Log book did not mention any issues during t...

Putrid, Fishy

Delayed Odor Complaint Response and Investigation results - as of September 12, 2019 at 10:00 AM, no issues with the odor control system mentioned in the log book. All chemical trends for the scrubbers were within normal ranges.  Check equipment ...

Putrid, Fishy Odor

Odor Complaint Response  and Investigation results - Maintenance work being conducted on the sludge turners inside the solar dryer from 9:00 AM - 11:00 AM. The Northwest roll-up door was open while work was being conducted which could have been a...

Putrid, Fishy Odor

Delayed Odor Investigation results - Odor control system functioning as intended. Log book entries note no abnormal operating conditions.  Chemicals trends in scrubbers are normal. No issues found following inspection of the chemical scrubbing eq...

Putrid, Fishy Odor

Delayed Odor Complaint Investigation conducted on September 5, 2019 at 7:30 AM - SCADA, odor scrubber, and Biorem working within normal range and all equipment is operating normally. Odor patrol was conducted on September 4 at 3:45 PM and typical scrubber...

Putrid, Fishy, Human Waste

Update as of 9/3/2019 - Delayed Odor Complaint Investigation - The log book notes no issues with the odor control system. All chemical trends for scrubbers are within the normal operations range.  Nothing abnormal with equipment and pumps. No abn...

Earthy, Musty, Moldy, Putrid, Fishy

Delayed Odor Complaint Response and Investigation results - Odor from the scrubbers detected in various fenceline and offsite locations.  All odor circuit equipment working normally.

Earthy, Musty, Moldy, Putrid, Fishy

Odor complaint received at 9:00 AM

Putrid, Fishy

Delayed Odor Complaint Response and Investigation conducted at 8:00 AM  - SDACA trends were all normal, there were no after hours alarms logged that were related to the odor scrubber. The odor scrubber, biorem and headworks operating normally. An...

Earthy/Musty/Moldy

Complaint received at 8:15 AM via website and indicated the odor started at 7:30 AM. Complainant cannot open windows again and odor is getting worse. Weather conditions were sunny and wind was West to East.

Putrid, Fishy Odor

Odor Complaint Response and Investigation - at 7:10 AM, all odor control systems functioning as intended.  Odor scrubber rounds were conducted at this time and ammonia and hydrogen sulfide removal is meeting compliance standards.   No od...

Earthy, Musty, Moldy, Putrid, Fishy

Delayed Odor Complaint Response and Investigation - WRCRWA staff reviewed the log book which did not note unusual activity or abnormalities with the odor control system or the chemical balance. Fenceline/offsite odor monitoring was conducted at 3:00 PM. &...

Putrid, Fishy Odor

Odor Complaint Response Investigation results - All odor control systems functioning normally and all processes within designed operating parameters. Performed fenceline/offsite monitoring tour. 

Putrid, Fishy Odor

Delayed Odor Complaint Response Investigation results - WRCRWA staff reviewed log book for any issues related to odor.  Plant is compliant with H2S and NH3 requirements. No major issues or abnormal odor reported during daily fenceline/offsite mon...

Manure, Putrid, Pungent, Fishy, and Rotten Egg Odor Reported

Complainant smells odors when outside, in back yard, and in front of home.  

*When an odor complaint is received after hours, a delayed odor complaint response investigation will ensue.

Delayed Odor Complaint Response Investigation resulted in staf...

Mild to Moderate Manure Smell Lingering in Area Around the WRCRWA Treatment Plant

Staff reported manure odor coming from the West and settling in the area around the WRCRWA Treatment Plant on Friday, August 9 and Saturday, August 10, 2019.

Horrible Manure Odor West of the WRCRWA Treatment Plant

WRCRWA Staff are unclear about where the odor is coming from and have not witnessed the spreading of manure in lots near and around the WRCRWA Treatment Plant.

Putrid and Fishy

Complaints received outside of normal business hours. Results of three delayed odor complaint response investigations concluded the stage 2 bleach pump tripped and the power outlet required maintenance. Dosing is normal since the power outlet was reset on...

Putrid, Fishy

WRCRWA staff conducted an odor patrol and checked odor control processes, equipment, and instrumentation, which will al operating properly.  WRCRWA staff responded via text message indicating processes would be monitored closely. 

Putrid, Fishy - Very Strong

Odor experienced for 40 minutes.

7/31/2019 UPDATE - All equipment and processes are working as designed.

Very Strong Putrid Fishy Odor

it is extremely strong today, and is beyond the fence line of the treatment plant and the smell is in our home.

7/31/2019 UPDATE:  The log book and prior day's odor rounds were examined - there was no mention of abnormal odor scrubber operations a...

Rotting Fish/Chemical Decomp

A fenceline/offsite tour was conducted at 2:30 PM, approximately two hours prior to the time this complaint was received and no odors were detected.  Upon further investigation, it was determined that all equipment and processes are working as de...

Repairs - WRCRWA Solar Dryer

The WRCRWA Team is making every effort to complete repairs as timely as possible.

UPDATE received July 27 at 9:35 AM - the solar dryer is back in operation as of 9:00 AM.

Moderate Putrid, Fishy Odor

Investigation and Response on 6/17/2019 at 6:00 AM - Facility is in compliance, operating in a normal condition, and weather conditions is overcast. 

Putrid, Fishy Odor

Response and Investigation at 7:00 AM on 6/15/2019 - Weather condition was overcast and facility is operating normally and in compliance with permit requirements. 

Moderate Pungent, Ammonia, Putrid, Fishy Odor Reported

Response and Investigation occurred at 3:00 PM.  Weather conditions were clear and winds coming from the Northwest.  Facility is operating in a normal condition and odors were not present at the plant. 

Strong Rotten Fish Odor Reported

Very strong rotten fish odor at 1:00 PM - reported at 6:10 PM via the online Odor Complaint Form.

Strong Manure Odor Coming from the West

An AQMD Inspector, responding to various odor complaints, visited the WRCRWA Treatment Plant on Saturday during their investigation of the cause of the eye-watering odor.

Strong Rotting/Fishy Smell

Staff received the compliant at 2:00 PM investigated by 3:30 PM. Staff noticed a moderate chemical odor along the fence line at the plant; however, did not detect odor in front of complainants home at that time. All equipment is operating as required.

Odor of Rotten/Decomposing Diapers

Staff investigated and ensured that proper chemical dosage was going to the scrubbers, repaired a backpressure valve, and checked all solar dryer doors to verify they were closed and sealed.  

Spreading Manure on Adjacent Property

While manure is bring spread, it is likely odors will be experienced throughout the area and adjacent neighborhoods.

Fishy and Chemical Odor

WRCRWA staff investigated by 5:10 PM and odor was not detectable.  H2S Measurements were within compliance limits of the AQMD permit and all equipment is running as intended.

Maintenance Activity

This activity will include the operation of a large crane to remove several membrane diffusers that have reached their seven-year lifespan and are in need of replacement.  WRCRWA has no reason to believe this maintenance work will cause odors.

Chemical Odor Smell

WRCRWA Staff took action to lessen the chemical smell.  WRCRWA Staff followed up with the resident who indicated the sprayers that are meant to put floral odors in the air smell chemically and the resident would prefer WRCRWA disable them.

Putrid, fishy odor from 4-6:00 pm at Archibald and River Road

Daily odor patrol readings show the WRCRWA Plant is in compliance. Weather condition data that is collected will assist staff in further identifying corrective measures and procedures and we will continue to monitor this area and collect data.

Manure smell

At least two trucks are actively spreading manure on the agricultural property adjacent to the WRCRWA Treatment Plant and there is a strong manure smell at the WRCRWA Treatment Plant and the surrounding area.

Rotting Fish odor at River Road and Badger

Daily odor patrol readings show WRCRWA Plant is in compliance. Weather condition data that is collected will assist staff in further identifying corrective measure and procedures and we will continue to monitor this area and collect data. Thank you for ta...

Putrid, fishy, sewage odor from 3-5:30 PM at Badger and Armadillo.

Daily odor patrol readings show the WRCRWA Plant is in compliance. The weather condition data that is collected will assist staff in further identifying corrective measures and procedures. Thank you for your odor concern.