Modular Water Systems Enables Texas Housing Developer to Overcome Barrier to Scaling

Inability to Meet Environmental Quality Regulations Had Halted Construction

THE PROBLEM

Munson Point’s existing wastewater treatment system was dilapidated and failing to perform to the required standards, placing them out of compliance with Texas regulations. The Texas Commission on Environmental Quality (TCEQ) had prohibited construction of further homes in that sub-division, which left many undeveloped, prime parcels stranded.  

Due to the area being remote from local sewer, an onsite wastewater treatment system had originally been a practical solution, but due to the short life-cycle and failure rate of conventional concrete and steel constructions, had fallen short. The prospect of rebuilding an entire new installation to replace the existing one would not only have been too costly, but would involve a drawn-out timeline, an unviable option. The developers required a new treatment system to get in compliance with TECQ and they needed it FAST. The consulting engineer for the project, wisely, contacted Modular Water Systems (MWS) for a recommendation.

THE SOLUTION

Based upon the requirements to get the site into compliance with TCEQ regulations, MWS proposed to furnish a prefabricated wastewater treatment plant based on a Membrane BioReactor (MBR) process and recommended its EveraSKID (EVS) 10, 000 Gallon Per Day (GPD) MBR Treatment System as an excellent equipment solution for this project.  The system is designed to treat the specified influent flow rate and organic loading to produce an effluent that meets or exceeds the maximum stipulated effluent conditions.

Aside from the advantages of the EveraSKID being prepackaged to provide a single-point-of-delivery, plug and play solution with virtually day of delivery operating cabability, it also delivers to its end-user customers three to four times the life cycle of conventional concrete and steel constructions; because its internal waste processing chambers incorporate high density and structurally reinforced, corrosion resistant thermoplastics in a patented process far superior to any comparative methods. And finally, despite already competitive initial costs, the long term cost comparatives left any competition in the dust!

THE RESULT

Obviously, The EVS 10K-MBR is an excellent choice for land development projects that require rapidly deployable robust wastewater treatment systems. In this case, the system performed so well that the customer has applied for wastewater re-use permits based on the level of purity of effluent produced by the system. And the developers of the sub-division? They’re industriously building additional houses on those no-longer-stranded prime parcels!

This EveraSKID 10,000 GPD MBR Wastewater Treatment System has been approved by the TCEQ for its ability to reliably meet or surpass effluent standards.

THE TECH BEHIND MEETING EFFLUENT STANDARDS

Based upon the effluent standards required, the EVS has a capacity of 10,000 gallons per day and employs MBR technology for the best results. The system is designed to treat the specific influent flow rate and organic loading to produce an effluent that meets and exceeds the maximum stipulated effluent conditions. This table reflects Munson Point’s influent data and the specified effluent requirement.

ConstituentInfluentEffluent (max)
Flow Rate10,000 GPD (ADF)
BOD5350 mg/L< 10 mg/L
TSS350 mg/L< 10 mg/L
NH350 mg/L< 10 mg/L (NH3)
Phosphorous10 mg/LNA
pH6.5 to 8.56.5 to 8.5
Fats, Oils, Grease< 10 mg/LNA
DONA> 4 mg/L
Fecal ColiformTypical< 126 N/100 mL

GPD-Gallons Per Day , ADF-Average Daily Flow
BOD-Biological Oxygen Demand is a measurement of the amount of dissolved oxygen (DO) that is used by aerobic microorganisms when decomposing organic matter in water. When BOD levels are high, dissolved oxygen levels decrease because the oxygen that is available in the water is being consumed by the bacteria.
BOD5-BOD is measured in a water sample during 5 days of incubation at 20℃, known as BOD5
TSS-Total Suspended Solids 
is the dry-weight of suspended particles, that are not dissolved, in a sample of water that can be trapped by a filter that is analyzed using a filtration apparatus.
NH3
-Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula NH 3.
DO-Dissolved oxygen (DO) is a measure of how much oxygen is dissolved in the water – the amount of oxygen available to living aquatic organisms.

SYSTEM COMPONENTS

ADVANCED MEMBRANE BIOREACTOR

The MBR System reflects the use of concentrated Activated Sludge Aerobic Biological treatment with a liquid-solids separation filtration system in a single-stage process. The use of submerged flat plate polymeric membrane modules foster the growth of concentrated activated sludge biomass such that advanced treatment can be accomplished more effectively in a smaller footprint. The flat plate polymeric membrane filters retain all of the secondary solids (or Activated Sludge Biomass) while discharging a high-quality solids free effluent. The MBR biological system utilizes oxygen from the Regenerative Blower aeration system and organic food sources from the influent wastewater to complete the treatment process. The MBR system utilizes the highly concentrated biomass to achieve very robust treatment and effective sustainable BOD removal and ammonia treatment.

By comparison to conventional Activated Sludge and IFAS Systems, the MBR eliminates the need for gravity secondary clarification systems, sludge return systems, sludge blanket monitoring and control processes. This reduces operator requirements (manual labor) while ensuring the highest level of effluent compliance performance. The MBR System also reflects Tertiary Treatment System Capability which allows the produced effluent, once disinfected, to be utilized for secondary purposes such as irrigation water, landscape features, and dust control systems, etc.

For a conventional Activated Sludge System or IFAS System to achieve Tertiary Level Performance, those systems must be upgraded to include expensive effluent filtration systems. The MBR combines does all of this in a single step process without the need for additional equipment and electro-mechanical complexity.

OPERATOR TRAINING AND FEEDBACK

After MWS commissioned the system in February of 2022, the System Operator, Jimmy Moon was trained on its detailed system operating manuals, which are standardly provided with every Modular Water System. Our process includes onsite apprenticeship and quality assurance where we subsequently interviewed Mr. Moon on follow-up at the job site.

KEEPING UP THE TRADITION

Much like Thomas Munson’s breakthrough developments in horticulture helped save the European wine industry from devastation, Modular Water Systems’ next generation prepackaged, advanced wastewater treatment systems are routinely delivering the essential wastewater infrastructure difference to salvage a rapidly growing number of businesses and communities. And this is how it was done at this Munson Point housing development in Denison, Texas!

MUNSON POINT – HISTORICAL INTEREST

Home of Thomas V Munson, a Texas historic landmark.
The Munson family of Texas has a history dating back to the early 1800s with many colorful chapters, among them, the purchase of 554 acres from Stephen P. Austin for $1 per American acre in 1828, which they named Oakland Plantation and developed into one of the most prosperous cotton, cattle and sugar plantations in the new territory.

So, it’s with good reason the site of this case study is named Munson Point. It was the home of world-famous Thomas V. Munson who settled in Denison in 1876 where he developed extensive nurseries. His brothers William Benjamin Munson and J. T. Munson also lived in the area. Munson built his Victorian home, pictured above, in 1887.

Known as The Grape Man of Texas*, Munson became one of the leading experts in native, American grape species, and his studies were instrumental in saving the European grape and wine industry from disaster during the late nineteenth century. Because of Munson’s role, the French government in 1888 sent a delegation to his home in Denison to confer on him the French Legion of Honor Chevalier du Mérite Agricole, only the second American to ever be so awarded.

Munson also received numerous other awards and honors. Much of his work became the definitive source on grapes for horticultural authorities. In 1909 he published his Foundations of American Grape Culture, which became the standard reference for grape culture in the United States. Munson continued to live in Denison with his wife and seven children until he died in 1913**.

*Grayson College online publications –https://www.grayson.edu/munson/index.html
** Information sourced from The Munsons of Texas – An American Saga by Thurmond A. Williamson

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