Water and Sewer Utility Update

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Questions and Answers

How many sewer main repairs were completed?

9 sewer main repairs were completed.

What is the expected completion date for the current water projects?

The expected completion date is March 2026.

How many hours of overtime did Water Distribution work?

Water Distribution worked 207.3 hours of overtime.

What was the highest flow recorded at River Road Plant during the rain event?

<p>The highest flow recorded was 22 MGD at 10 am.</p> Signup and view all the answers

What change occurred in the number of sewer abandonments?

<p>Sewer abandonments decreased from 38 to 34.</p> Signup and view all the answers

How many AMI installations have been completed as of the last report?

<p>32,379 AMI installations have been completed.</p> Signup and view all the answers

What repairs were made to Lift Station #40?

<p>Repairs were made to a break in the force main.</p> Signup and view all the answers

How much rainfall was recorded overnight, and how does it compare to previous accumulations?

<p>1.83 inches of rainfall was recorded overnight, contributing to over 5 inches in November.</p> Signup and view all the answers

What is the estimated cost range for the Hollywood Road WWTP expansion based on the class 5 estimate?

<p>$350,000,000 to $1,400,000,000</p> Signup and view all the answers

What challenges are currently being faced with the boiler at the Hollywood Road Plant?

<p>Boiler #1 is having issues with its ignitor and is still undergoing tests.</p> Signup and view all the answers

How many fire hydrants remain to be serviced or installed according to the latest update?

<p>227 fire hydrants</p> Signup and view all the answers

What complicating factor is mentioned regarding the type of wastewater being processed at the Hollywood Road WWTP?

<p>An increase in industrial effluent is being introduced into the system.</p> Signup and view all the answers

What are the levels of MLSS reported in the Hollywood Road WWTP?

<p>3600 to 3900 MG/L</p> Signup and view all the answers

What actions are being taken to address the issues with bar screen #1 at the Hollywood Road Plant?

<p>New swivel joints are being awaited since the existing ones were too tight in the socket.</p> Signup and view all the answers

What is the projected cost for the River Road WWTP expansion as mentioned in the update?

<p>$450,000,000</p> Signup and view all the answers

Why is there a need to start a conversation on renewal costs for the Utility?

<p>The financial position of the Utility is becoming precarious and may lead to decreased levels of service.</p> Signup and view all the answers

Flashcards

Hollywood Rd WWTP Phase 2 Expansion Cost Estimate

A class 5 estimate of $700,000,000 for expanding the Hollywood Rd Wastewater Treatment Plant, but with a potential cost range of $350,000,000 to $1,400,000,000.

River Road WWTP Expansion Cost

Estimated to cost approximately $450,000,000, but projected to potentially exceed $700,000,000 due to market conditions.

WWTP Expansion Funding

Both plants will require securing funding to cover their projected, high expansion costs.

Hollywood Rd Plant MLSS

MLSS levels at the Hollywood Rd Plant are between 3600 and 3900 mg/L.

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Boiler #1 Issue

Boiler #1 at the Hollywood Rd Plant is experiencing problems with its ignitor and is currently under testing, potentially impacting permit progress.

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Bar Screen #1 Issue

Bar screen #1 at the Hollywood Rd Plant needs new swivel joints due to a tight fit.

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Utility Funding Concerns

The utility's financial position is becoming precarious, and funding gaps could lead to reduced service levels.

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Remaining Fire Hydrants

There are 227 remaining fire hydrants.

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Sewer Main Repairs

Number of sewer main repairs completed this reporting period.

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Water Main Replacement

A 2" water main replacement project underway in North Heights.

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River Road Plant Air Valve Repair

Repair of a broken air valve in the River Road Plant's heater building, requiring replumbing.

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Well 630 Pump Test

Well 630 is being tested and sized for equipment repairs at the water treatment plant.

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Increased Water Demand

Water demand has increased from last year, reaching 37 MGD, likely due to rainfall.

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Chlorine Regulators

Six chlorine regulators were replaced in the plant.

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AMI Installed

Automated Meter Infrastructure (AMI) installations reached 32,379 units.

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Overtime Hours

Water Distribution crews worked 207.3 hours. Wastewater Collection worked 100.6 hours of overtime.

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Study Notes

Water and Sewer Utility Weekly Update

  • Hollywood Road WWTP Phase 2 Expansion Costs:

    • Estimated cost: $700,000,000 (Class 5 estimate)
    • Potential range: $350,000,000 to $1,400,000,000
    • Estimate based on Denton domestic plant; caveats exist in classification
    • Cost likely to exceed base estimate due to potential increase in industrial effluent.
    • Further investigation needed and upper end of the range estimate prioritized if funding sought simultaneously with River Road WWTP.

  • Hollywood Road WWTP Issues:

    • Permits still being processed
    • Boiler #1 has ignitor issues
    • Bar screen #1 requires new swivel joints
    • MLSS (mixed liquor suspended solids): 3600-3900 mg/L

Collection/Distribution Update

  • Remaining Fire Hydrants: 227
  • Water Main Breaks: 3 in last week
  • Sewer Main Repairs: 9
  • Taps (water, sewer, fire, irrigation): All zero
  • Abandonments (sewer, water): 34, formerly 38 (sewer); 96, formerly 96 (water)
  • AMI (Automated Meter Infrastructure) installations: 32,379 (as of last report: 31,185)) | Projected completion: March 2026
  • Sewer Main Cleaning: 10,727 ft (formerly 35,240 ft)
  • Sewer Main TV Inspection: 2,505 ft (formerly 3,945 ft)
  • Valves Exercised: 37 (formerly 60)
  • 2" Water Main Replacement (North Heights): Phase 1 complete, Phase 2 underway.
  • 2301 Eastern Project: Excavation complete; new 6" C-900 water main installation in progress.
  • Lift Station #40: Force main break, 60,000 gallons of SSO (combined sewage overflow)
  • Applewood Crossing: Concrete piers poured.

Plant Specific Updates

  • River Road WWTP:
    • Air valve repair/replumbing: bottom compressor tank
    • Chlorine regulators replaced
    • Purchase orders issued for pumps and valves
    • Increased flows (up to 22 MGD) during Monday's rain event
  • Osage Water Plant:
    • Reservoir level: 27.2 ft
    • Daily demand: 37 MGD (increase from 28 MGD last year)
    • Chloride levels: 155 mg/L (decrease from 196 mg/L last year)
    • Rainfall: 1.83 inches overnight, approximately 20 feet for the year.
    • Well maintenance/repairs underway.

General Notes

  • General issues: Still present and outstanding.
  • Financial Concerns: Potential reduction in service levels possible due to funding gaps. Yearly review of renewal costs are needed to start.
  • City Manager Announcement: Possible River Road WWTP expansion; cost estimates range widely ($450 million initial estimate is likely to exceed that significantly).

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