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Town of Patagonia Water Systems Improvements Patagonia, Arizona

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Title: Town of Patagonia Water Systems Improvements Patagonia, Arizona


1
Town of PatagoniaWater Systems Improvements
Patagonia, Arizona
Presented toProject Sponsor and Agency
Stakeholders March 3, 2004
2
Agenda
  • General Aspects
  • Environmental and Human Health Indicators
  • Environmental, Human Health and Sustainable
    Development Strategies
  • Technical Approach, Objectives and Funding Plan
  • Public Participation
  • Project Development Schedule

3
General Aspects
Project Location
  • The Town of Patagonia
  • Located in southern Arizona, in Santa Cruz
    County
  • Approximately 155 miles southeast of Phoenix
  • Approximately 18 miles north of the U.S./Mexico
    Border.

Patagonia
4
General Aspects
Project Sponsor Profile
  • Town of Patagonia
  • Population 881 (Census 2000)
  • Median Household Income 25,795 (Census 2000)
  • 15,515 (Census 1990)
  • Unemployment Rate 5.2
  • Existing Facilities
  • Water
  • Operated and maintained by Town of Patagonia.
  • Wastewater
  • Operated and maintained by Town of Patagonia
  • Recent recipient of NADBank Grant for
    rehabilitation of collection lines and expansion
    of WWTP.

5
General Aspects
Existing Wastewater Collection Treatment System
  • Existing
  • Collection system is owned and operated by the
    Town of Patagonia
  • Concerns
  • Condition of existing collection lines is
    deteriorated
  • Compliance with forthcoming nitrogen removal
    requirements at the WWTP.
  • Current Improvements
  • Town of Patagonia has received funding from the
    NADBank for rehabilitation of collection lines
    and expansion of WWTP
  • .

Wastewater system improvements on-going under
separate contract and has not been included as a
component of this project.
6
General Aspects
Existing Water Production and Distribution System
  • Production
  • Existing system consists of 2 production wells
    owned by Town of Patagonia
  • Additionally, 27 private wells serving 197-233
    people.
  • Distribution
  • System operated and maintained by Town of
    Patagonia
  • Approximately 32,000 lf of pipe
  • 8-inch transmission main delivers water 1.25
    miles from storage reservoirs
  • Approximately 703 people served through 383
    connections.
  • Storage
  • The Town of Patagonia operates and maintains two
    storage reservoirs
  • Improvements to Reservoir No. 1 performed
    concurrently with construction of Reservoir No. 2
    in 1994.

7
General Aspects
Water System Deficiencies
  • Production
  • Several private wells within the town limits have
    dried leaving residents without a reliable water
    source
  • One private well has exhibited high levels of
    nitrates and the presence of coliform
  • Vandalism to the well heads
  • Elevation of Towns wells within 100 year flood
    plain
  • Well No. 1 does not have a chlorine alarm system
  • Telemetery appears inadequate.
  • Distribution
  • Inadequate looping results in lower pressures
  • Inadequate line sizes and fire protection
    throughout the Town
  • Numerous inoperable valves resulting in inability
    to isolate the system
  • Transmission main to the reservoir is
    deteriorated
  • Pressure regulators at each meter results in high
    maintenance
  • 2-inch line extensions in North Gringo Road have
    exhibited numerous line breaks
  • 6-inch extension along Harshaw Road not approved
    by ADEQ
  • Low water pressure observed in southern half of
    Towns water system.
  • Storage

8
General Aspects
Proposed Water System Improvements
  • Evaluation and inspection of the existing system
    will assist in selecting and implementing the
    necessary improvement to include the following
    possible alternatives
  • Production
  • Determine feasibility of serving customers
    currently on private wells
  • Replace wellheads to reduce vandalism
  • Elevate wells above 100 year flood plain
  • Install chlorine alarm system at Well No. 1 and
    upgrade telemetery system.
  • Distribution
  • Replacement of deteriorated 8-inch transmission
    main to reservoir
  • Replacement of distribution system piping, valves
    and fire hydrants
  • Install a central pressure reducing station and
    eliminate individual regulators at meter
  • Replace 2-inch line extensions
  • Correct ADEQ deficiencies for use of 4-inch line
    along Harshaw Road
  • Determine source of low water pressure in
    southern half of town.
  • Storage
  • Verify that capacity of reservoirs is sufficient.

Total Estimated Cost - TBD
9
General Aspects
Existing System
Reservoirs No. 1 and No. 2
Wells No. 1 and No. 2
10
General Aspects
Existing System
Existing Private Wells
11
Environmental and Human Health Indicators

  • Presence of coliform resulted in issuance of of a
    Public Notice. Source most likely attributed to
    a malfunctioning chlorinator
  • Presence of nitrates and total coliform in
    private wells indicate possible contamination of
    groundwater source
  • 9 of 27 private wells, serving 76 residents, have
    reported insufficient or no production
  • Production observed to fluctuate with
    precipitation with notable decrease during
    drought.

12
Environmental and Human Health Indicators
Compliance with Environmental Norms Regulations
  • Water System
  • March 2002 Patagonia issued a Public Notice for
    presence of coliform. Source may be attributed to
    a malfunctioning chlorinator
  • ADEQ issued notification addressing the
    deficiencies observed in post-construction
    inspection of 4-inch water main along Harshaw
    Road
  • Town of Patagonia has developed a Smaller
    Community Environmental Protection Plan for
    qualification of waivers in accordance with ADEQ
    handbook.
  • Wastewater System
  • Current improvements to satisfy forthcoming
    nitrogen removal requirements.

13
Environmental and Human Health Strategies
  • Obtain the hydrological data relative to the
    Sonoita Creek watershed and the Towns wells
  • Describe the existing well production facilities
    and identify the environmental and health risks
    associated with the presence of coliform and
    nitrates in both publicly and privately owned
    wells
  • Describe the existing distribution system and
    address the threatening impacts of inadequate
    system looping and pipe deterioration
  • Document the enforceable regulatory standards
    which require minimum system design criteria for
    line sizing
  • Water conservation measure should be incorporated
    in any future rate studies
  • Prepare for environmentally sensitive issues that
    may arise.

14
Sustainable Development Strategies
  • Two stakeholder workshops to be conducted. The
    baseline conditions report is complete
  • Demonstrate appropriate institutional capacities
  • Obtain proper Grade II certification for water
    system.
  • Seek Training
  • NADB Operator and administrative development
  • An operation and maintenance program will be
    developed as part of the project
  • Develop water usage assessment, including
    possibilities for conservation/reuse
  • Determine if there is a need for industrial
    pretreatment
  • 30 design review by system operator.

15
Technical Approach,Objectives and Funding Plan
Project Objectives
  • Provide the Town of Patagonia with adequate,
    affordable water service in compliance with State
    regulations
  • Determine feasibility of providing water service
    to customers currently serviced by private water
    wells
  • Rehabilitation of existing water distribution
    system and improvement to existing production
    facilities.

16
Technical Approach,Objectives and Funding Plan
Recommended Technical Approach
  • PDAP Eligible Tasks
  • Preliminary Engineering Report
  • Environmental Review and Clearance
  • Financial Analysis
  • Public Participation Program
  • Final Engineering Design
  • Non-PDAP Eligible Tasks
  • Rate study
  • Training and institutional strengthening.
  • Contingency Plans
  • Project Management
  • Operation and Maintenance Plan

17
Technical Approach, Objectivesand Funding Plan
Institutional Capacity The Frank M. Tejeda
Center has been contacted to prepare a Statement
of Institutional Capacity of the City of
Calipatria addressing the following
  • Outsourcing
  • Operational Capacity
  • Management Capabilities
  • Governance
  • Regulatory Compliance Issues
  • On-going Projects and Planning
  • Existing Planning
  • Project Development and Funds Management
  • Institutional Development RAP Recommendations
  • Administration/Operations Staffing
  • Training

18
Technical Approach, Objectivesand Funding Plan
Recommended Technical Approach
  • Request TA for Planning Phase Tasks of eligible
    components
  • Facility Plan
  • Environmental Review and Clearance
  • Preliminary Financial Analysis
  • Preliminary Public Participation Program
  • Documents to be prepared for consideration by
    potential funding sources.

19
Technical Approach, Objectives and Funding Plan
Project Sponsor Financial Potential
  • Town revenue generated by imposing a 9.6 sales
    tax
  • Currently no property taxes
  • Maintains full-time staff to include utility
    personnel, town Marshal
  • Fiscal year from July 1st to June 30th for each
    year.

Water and Sewer Enterprise Fund
2000 2001 2002
Operating Revenues 317,019 218,599 218,491
Operating Expense 309,880 206,228 209,260
Total 7,139 12,371 9,231
Current Rate Structure
Average Monthly Bill
  • 383 service connections.
  • Average Sewer 28.50
  • Water Base Rate 12.50
  • Total (includes tax for water) 42.86

20
Technical Approach, Objectives and Funding Plan
Identified Potential Funding Sources
  • USDA-RUS
  • Colonias Grant and Water and Waste Disposal
    Program Water and Waste Disposal Program
  • USDA-RD In 2002, the Town received 543,000 in
    grants for WWTP improvements.
  • Arizona Department of Housing (ADH)
  • CDBG Fund - Grants for population lt50,000
    maximum 500K
  • CDBG Program Planning and Technical Assistance
    Grants Providing funds to small cities for
    planning and evaluation studies related to
    CDBG-eligible activity.
  • Patagonia receives total CDBG allocation every
    third year through interlocal agreement with City
    of Nogales and Santa Cruz County.
  • Water Infrastructure Finance Authority (WIFA)
  • DWRF Provides assistance for drinking water
    facilities
  • Technical Assistance Program Assistance in loan
    or grant
  • In 2002 Town secured a 375,000 loan for their
    portion of the WW Facilities Project.
  • NADBank
  • BEIF to support construction, service
    connections, project management and rate
    transition
  • A rate study and additional capacity building
    tasks may be funded through the IDP
  • 2002 Town received 1,306,378 in grants from
    NADBank for the WW Facilities Project.
  • BECC
  • The City is eligible through the Project
    Development Assistance Program (PDAP).

21
Public Participation Strategy
Potential Obstacles
  • Approval by regulatory agency for Compliance
    Project
  • Largest obstacle is cost associated with repaying
    loans
  • Difficulty in acquiring Grade II Water production
    certification
  • Surface Water Rights Town is currently seeking
    to obtain a Certificate of Appropriation for the
    surface water rights.

Local Politics
  • Strong Mayor and Town Council form of Government
  • Government structure consist of a Mayor, four
    Town Council members
  • Local organizations Chamber of Commerce,
    Patagonia area business, the Patagonia Elementary
    and High School Districts, Patagonias Womens
    Club the Nature Conservancy Preserve and Santa
    Cruz County.

Socio-Economic Indicators
  • Approximately 78.5 of the population, over the
    age of 25, has completed a high school education
  • 2002 Census Information denotes 5.2
    unemployment.

22
Project Schedule
23
Action Items
BECC
  • Modify PSP with Final Comments May 2004
  • Develop Scope of Work (SOW)
  • Send Sample TA Agreement to City.

Project Sponsor - Patagonia
  • Provide any additional comments May 2004
  • Letter accepting PSP and recommended TA Tasks
  • Participate in development of SOW approve SOW
    by letter
  • Invite participants for Steering Committee.

Stakeholder Agencies
  • Provide any additional comments May 2004
  • Participate in SOW development approve SOW.
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