Wastewater Treatment Plant

Director of Administrative Services

Juan Fuentes

Utility Director

Lorenzo Sanchez

Wastewater Superintendent

Andrew Valadez

Continued In 2021. . .

• Discharging treated wastewater to the farm land in compliance with NMED permit DP-281. • Discharging treated wastewater to the Rio

Hondo River in compliance with EPA permit

NM0020311. • 1.195 Trillion Gallons of wastewater has been treated and discharged to farm land and Rio

Hondo.

Sludge Dewatering & Post Aeration Upgrade. . .

Post Aeration is a process that increases the dissolved oxygen in the effluent. It is essential for the survival of fish and other aquatic organisms.

Project is out for bid. Estimated cost for the project: $5,804,900.00 Sludge dewatering is a reliable and efficient method of concentrating waste into filter cakes. With moisture removed from the sludge, disposal is significantly easier. Attached is a demo of the unit and projected site.

Collection Crew of 2021. . .

2021 Man Rehab project is complete:

Man holes have a concrete grout sprayed to fill any voids within the manhole, then sprayed with a 150 mil Raven top epoxy coating and completed with a new ring, manhole lid and concrete collar to meet existing grade.

Project has been completed with a cost of: $202,294.19

Concrete grout sprayed first, Raven top epoxy coating next, Finally complete with a new ring and concrete collar

Daily and monthly analysis on treated wastewater Sampling and running biosolids regularly

City of Roswell Lab. . .

No projects or significant changes in the Lab:

• Running daily and monthly analysis on treated wastewater to ensure compliance with EPA and NMED requirements. • Sampling and running analysis on biosolids to meet 503 Sludge regulations. 503 Class A biosolids is a designation for dewatered and heated sewage sludge that meets U.S. EPA guidelines for land application with no restrictions.

Ensuring EPA & NMED Compliance