Deer Park officials have lifted the shelter-in-place order saying that air monitoring at the Lubrizol fence line did not detect unusual condition.
Lubrizol Deer Park Incident Update - 10:00 PM
— City of Deer Park (@DEERPARKTXGOV) November 11, 2026
The City of Deer Park has lifted the Shelter-in-Place order.
Lubrizol has de-escalated the incident to Level 2 after identifying and confirming that the released chemical was hydrogen sulfide (H2S), generated when phosphorus… pic.twitter.com/AuVnPgiaX2
According to Deer Park and Harris County hydrogen sulfide gas was released from Lubrizol Deer Park Tuesday evening.
The City of Deer Park issued an emergency shelter-in-place alert a little after 6:30 p.m. and lifted it at 10 p.m.
People were instructed to close all doors and windows and turn off heating and cooling systems. Officials also urged residents to keep phone lines available so they can receive additional emergency updates.
Lubrizol released the following statement. “Lubrizol is responding to an incident at our 41 Tidal Road facility that occurred during maintenance to an idled unit. Out of an abundance of caution, a Shelter in Place has been issued. We are coordinating with local authorities and encourage the community to follow their instructions.”
Deer Park officials say they will continue to monitor the situation, “This is an ongoing incident; however, there is no threat to the community at this time. If the situation escalates, officials will notify you immediately via the emergency notification system.”
