An Overview of the Regional Water Quality Protection Plan Development of a Regional Water Quality Protection Plan for the Barton Springs Segment of the.

An Overview of the An Overview of the Regional Water Quality Regional Water Quality

Protection PlanProtection Plan

Development of a Regional Water Quality Protection Development of a Regional Water Quality Protection Plan for the Barton Springs Segment of the Edwards Plan for the Barton Springs Segment of the Edwards

Aquifer and its Contributing ZoneAquifer and its Contributing Zone

September 18, 2007September 18, 2007Presentation to Village of WimberleyPresentation to Village of Wimberley

Water Issues SubcommitteeWater Issues Subcommittee

The Historic PerspectiveThe Historic Perspective

Regional Water Quality Planning ProjectRegional Water Quality Planning Project September 18, 2007September 18, 2007

““Good water quality is one of the things that contributes Good water quality is one of the things that contributes most to the health of the citizens of a city. most to the health of the citizens of a city. There is There is nothing of more interest to magistrates than maintaining nothing of more interest to magistrates than maintaining the healthfulness of the water that serves both men and the healthfulness of the water that serves both men and animalsanimals and preventing accidents that can cause the and preventing accidents that can cause the water to become polluted, whether in springs, rivers and water to become polluted, whether in springs, rivers and streams where it flows or in places where diverted water streams where it flows or in places where diverted water is stored, or in the wells used as sources.”is stored, or in the wells used as sources.”

(De Jussieu, Histoire de l'Academie royale des sciences [History of(De Jussieu, Histoire de l'Academie royale des sciences [History ofthe Royal Academy of Science], 1733, p.331. From The Public the Royal Academy of Science], 1733, p.331. From The Public Fountains of the City of Dijon by Henry Darcy, translated by Patricia Fountains of the City of Dijon by Henry Darcy, translated by Patricia Bobeck, Kendall/Hunt Publishing Co., 2004.)Bobeck, Kendall/Hunt Publishing Co., 2004.)

THE PLANNING REGIONTHE PLANNING REGION


Project SponsorsProject Sponsors City of Dripping City of Dripping

SpringsSprings City of AustinCity of Austin City of BudaCity of Buda City of KyleCity of Kyle City of RollingwoodCity of Rollingwood City of Sunset ValleyCity of Sunset Valley Village of Bee CaveVillage of Bee Cave Blanco CountyBlanco County Hays CountyHays County

Travis CountyTravis County Barton Barton

Springs/Edwards Springs/Edwards Aquifer Conservation Aquifer Conservation DistrictDistrict

Hays Trinity Hays Trinity Groundwater Groundwater Conservation DistrictConservation District

Blanco-Pedernales Blanco-Pedernales Groundwater Groundwater Conservation District Conservation District


Consulting TeamConsulting Team

Naismith Engineering has over 55 years Naismith Engineering has over 55 years experience in municipal infrastructure projects, experience in municipal infrastructure projects, with offices in Austin, Corpus Christi, and with offices in Austin, Corpus Christi, and Brownsville. Brownsville.

Other consulting team members include: Other consulting team members include: CAS Consulting, Water Quality SpecialistsCAS Consulting, Water Quality Specialists Hicks & Co., Environmental ConsultantsHicks & Co., Environmental Consultants Good & Co., Public InvolvementGood & Co., Public Involvement Eco-SW, Environmental GeologyEco-SW, Environmental Geology Kelly Hart-Hallman, Legal Regulatory IssuesKelly Hart-Hallman, Legal Regulatory Issues


Stakeholder RepresentationStakeholder Representation

Stakeholder Categories:Stakeholder Categories:

3 to 5 Representatives from Each Category3 to 5 Representatives from Each Category Adjustments to better reflect Category Interests:Adjustments to better reflect Category Interests:

INCREASE landowner representationINCREASE landowner representation INCREASE government representationINCREASE government representation REDUCE duplicate representationREDUCE duplicate representation


Property OwnersProperty Owners Neighborhood InterestsNeighborhood Interests

Concerned CitizensConcerned Citizens Public Interest OrganizationsPublic Interest Organizations

Development InterestsDevelopment Interests Governmental EntitiesGovernmental Entities

Environmental Preservation & Environmental Preservation & Good Governance InterestsGood Governance Interests

Economic InterestsEconomic Interests

ResourcesResources


Principal Funding – Grants from:Principal Funding – Grants from: Texas Water Development Board: $148,000Texas Water Development Board: $148,000 Lower Colorado River Authority: $100,000Lower Colorado River Authority: $100,000

Other Funding:Other Funding: Local Governments: $13,000Local Governments: $13,000 Private Organizations:Private Organizations: $2,000 $2,000

In-kind Services (Public & Private):In-kind Services (Public & Private): > 2,500 manhours + services: $160,000> 2,500 manhours + services: $160,000

TOTAL VALUE: $423,000TOTAL VALUE: $423,000

Stakeholder Committee Goal StatementStakeholder Committee Goal Statement

““Develop an implement-able Regional Water Develop an implement-able Regional Water Quality Management Plan that preserves and Quality Management Plan that preserves and protects resources and manages activities protects resources and manages activities within the planning region so that existing and within the planning region so that existing and future land use, land management, and future land use, land management, and development activities development activities maintain or enhance the maintain or enhance the existing water quality of the groundwater and existing water quality of the groundwater and surface watersurface water within both the Barton Springs within both the Barton Springs segment of the Edwards Aquifer and the segment of the Edwards Aquifer and the contributing portion of the watersheds within the contributing portion of the watersheds within the Planning Region, for the benefit of people and Planning Region, for the benefit of people and the environment.”the environment.”


Goals and Objectives of the PlanGoals and Objectives of the Plan

Protect Surface Water and GroundwaterProtect Surface Water and Groundwater Address W.Q. in All Areas of the Planning Address W.Q. in All Areas of the Planning

Region (Not just Edwards or Barton Springs)Region (Not just Edwards or Barton Springs) Goal: “Maintain”Goal: “Maintain”

Mandatory applicabilityMandatory applicability No net increase in pollutant loadingsNo net increase in pollutant loadings Applies to all future development activitiesApplies to all future development activities

Goal: “Enhance”Goal: “Enhance” Primarily Primarily voluntary measuresvoluntary measures Designed to improve existing water qualityDesigned to improve existing water quality


Proposed Water Quality Protection Proposed Water Quality Protection MeasuresMeasures

Natural Area and Open Space ConservationNatural Area and Open Space Conservation Transferable Development Rights (TDRs)*Transferable Development Rights (TDRs)* Comprehensive Site Planning and Pre-Comprehensive Site Planning and Pre-

Development ReviewDevelopment Review Location of Development (Setbacks & Buffers)*Location of Development (Setbacks & Buffers)* Intensity of Development (Impervious Cover)*Intensity of Development (Impervious Cover)* Control of Hydrologic Regime (Stream Flow)Control of Hydrologic Regime (Stream Flow) Structural Best Management Practices (BMPs)*Structural Best Management Practices (BMPs)* Local Enforcement of Construction Site ControlsLocal Enforcement of Construction Site Controls


Proposed Water Quality Protection Proposed Water Quality Protection Measures (Cont’d)Measures (Cont’d)

Wastewater ManagementWastewater Management Alternative Water Sources/Uses and Alternative Water Sources/Uses and

ConservationConservation Characteristics of DevelopmentCharacteristics of Development Land Use RestrictionsLand Use Restrictions Restrictions on Use, Storage and Disposal of Restrictions on Use, Storage and Disposal of

Potentially Harmful MaterialsPotentially Harmful Materials Land ManagementLand Management Public Education/OutreachPublic Education/Outreach


Location of DevelopmentLocation of Development

Regional Water Quality Planning ProjectRegional Water Quality Planning Project September 18, 2007 September 18, 2007

Stream BuffersStream Buffers

Stream Contributing Stream Contributing Area (Ac.)Area (Ac.)

Width (ft. Width (ft. from C.L.)from C.L.)

TotalTotal

32 to 12032 to 120 100100 200200

120 to 300120 to 300 150150 300300

300 to 640300 to 640 200200 400400

Greater than 640Greater than 640 300300 600600

Location of Development (Cont’d)Location of Development (Cont’d)

Critical Environmental Features (CEFs)Critical Environmental Features (CEFs) Point Recharge FeaturesPoint Recharge Features

• Upstream: Drainage divide up to 300’, not less than Upstream: Drainage divide up to 300’, not less than 150’150’

• Downstream: 150’Downstream: 150’ Indirect Recharge Features – 150’Indirect Recharge Features – 150’


Recommended IC LimitationsRecommended IC Limitations


LocationLocation Limited Limited ReviewReview

Standard Standard ReviewReview

Standard Standard Review + Review + TDRsTDRs

Recharge ZoneRecharge Zone 5%5% 10 10 %% 15 %15 %

Contributing Zone (CZ), Contributing Zone (CZ), outside Preferred Growth outside Preferred Growth Areas (PGAs) Areas (PGAs)

7.5 %7.5 % 15 15 %% 25 %25 %

CZ, s.f. residential, in CZ, s.f. residential, in PGAPGA

7.5 %7.5 % 15 15 %% 30 %30 %

CZ, high dens. Res., CZ, high dens. Res., commercial, in PGAcommercial, in PGA

7.5 %7.5 % 25 25 %% 45 % or45 % or

No Limit*No Limit*

*Requires rainwater harvesting from building roofs

Structural BMPsStructural BMPs PrimaryPrimary

Retention/IrrigationRetention/Irrigation BioretentionBioretention

Secondary – Others recognized by TCEQSecondary – Others recognized by TCEQ LimitationsLimitations

Limited Design Data – Base on Good ScienceLimited Design Data – Base on Good Science Good for TSS, not so good for dissolvedGood for TSS, not so good for dissolved Need for redundancyNeed for redundancy Need for proper Operations & MaintenanceNeed for proper Operations & Maintenance


Transferable Development Rights (TDRs)Transferable Development Rights (TDRs) New Concept in Texas (New Currency)New Concept in Texas (New Currency) Based on Uniform Intensity LimitsBased on Uniform Intensity Limits

10% IC for Recharge Zone10% IC for Recharge Zone 15% IC for Contributing Zone15% IC for Contributing Zone

Voluntary System-Gives Value to All LandVoluntary System-Gives Value to All Land Optional for Development – Plan Limits or TDRsOptional for Development – Plan Limits or TDRs Requires Approval of “To” and “From” JurisdictionsRequires Approval of “To” and “From” Jurisdictions

Address Equity (Principle # 7)Address Equity (Principle # 7) Restrictions/LimitationsRestrictions/Limitations

Not intended to change tax statusNot intended to change tax status No eminent domain/condemnation allowedNo eminent domain/condemnation allowed


Other Elements of the PlanOther Elements of the Plan Implementation ProcessImplementation Process

Counties, Municipalities, Special DistrictsCounties, Municipalities, Special Districts Authorities, Challenges, ToolsAuthorities, Challenges, Tools

Who PaysWho Pays Those who benefit (Guiding Principle #3)Those who benefit (Guiding Principle #3) Up front Capital fundingUp front Capital funding Commitment to O&M funding streamCommitment to O&M funding stream

Economic ImplicationsEconomic Implications Incremental Costs of Water Quality MeasuresIncremental Costs of Water Quality Measures Test Cases to evaluate feasibilityTest Cases to evaluate feasibility

Adaptive ManagementAdaptive Management


A Consensus Based PlanA Consensus Based Plan

General Agreement Among Various InterestsGeneral Agreement Among Various Interests Stakeholder Committee Bylaws/ProceduresStakeholder Committee Bylaws/Procedures

Strive for Full ConsensusStrive for Full Consensus Voting Is a “Last Resort”Voting Is a “Last Resort” 75% Agreement Needed to Change Plan75% Agreement Needed to Change Plan

ResultsResults Vast Majority of Issues – Consensus with No VotingVast Majority of Issues – Consensus with No Voting Only Handful of Issues Submitted for VoteOnly Handful of Issues Submitted for Vote Of Issues Voted, Most Resolved Through Consensus Of Issues Voted, Most Resolved Through Consensus

(>75%)(>75%)


Stakeholder Committee Positions on Key Stakeholder Committee Positions on Key RWQPP MeasuresRWQPP Measures

0

5

10

15

20

25

Too Strict OK Not StrictEnough

# of

Sta

keho

lder

sImpervious Cover

Setbacks & Buffers

Erosive Flow

RWQPP Measures

Stakeholder Ballot ResultsStakeholder Ballot ResultsSupport full adoptionSupport full adoption 1717Want to see changes before adoptionWant to see changes before adoption 6 6Did not vote (but 3 submitted comments)Did not vote (but 3 submitted comments) 4 4


Plan SuccessesPlan Successes Unique, First of Its Kind Effort in the StateUnique, First of Its Kind Effort in the State Produced a Plan When Most Expected FailureProduced a Plan When Most Expected Failure Public Participation – Strong Through Entire Public Participation – Strong Through Entire

Process – Produced a Consensus PlanProcess – Produced a Consensus Plan Comprehensive Framework for Real Water Comprehensive Framework for Real Water

Quality ProtectionQuality Protection Addresses Legal and Administrative Issues in Addresses Legal and Administrative Issues in

addition to Technical Issuesaddition to Technical Issues Requires No New Legislation or EntitiesRequires No New Legislation or Entities Model for Water Quality Protection in TexasModel for Water Quality Protection in Texas


Additional Information on the PlanAdditional Information on the Plan


Website: Website: www.waterqualityplan.orgwww.waterqualityplan.org Full text of Plan and process recordsFull text of Plan and process records

Public repository locations:Public repository locations: Dripping Springs City HallDripping Springs City Hall Naismith EngineeringNaismith Engineering

Copy provided to Village of WimberleyCopy provided to Village of Wimberley

How the RWQPP is Relevant to WimberleyHow the RWQPP is Relevant to Wimberley

Similar Geology and HydrologySimilar Geology and Hydrology Regional Solutions are REQUIREDRegional Solutions are REQUIRED

““Everybody is downstream from somebody”Everybody is downstream from somebody” Level Playing Field for AllLevel Playing Field for All

Good Science and EngineeringGood Science and Engineering Broad Stakeholder AcceptanceBroad Stakeholder Acceptance

90% participation and 75% to 95% acceptance90% participation and 75% to 95% acceptance

Within Existing AuthoritiesWithin Existing Authorities What is the Role of Government?What is the Role of Government?


Questions?Questions?

The Current The Current StatusStatus of the RWQPP of the RWQPP


June 13, 2005June 13, 2005 Plan accepted by the Executive & Plan accepted by the Executive & Core Committees and endorsed Core Committees and endorsed as a framework for adoption by as a framework for adoption by local governmentslocal governments

June 21, 2005June 21, 2005 Submitted Final Plan to TWDBSubmitted Final Plan to TWDB

July 14, 2005July 14, 2005 Final Plan Accepted by TWDBFinal Plan Accepted by TWDB

On-goingOn-going Implementation Efforts by Various Implementation Efforts by Various JurisdictionsJurisdictions

Primary Entities AffectedPrimary Entities Affected Unincorporated Hays County (30.4%)Unincorporated Hays County (30.4%)

(Including Various ETJs: 60.0%)(Including Various ETJs: 60.0%) City of Dripping Springs CL + ETJ (29.7%)City of Dripping Springs CL + ETJ (29.7%) City of Austin CL + ETJ (28.7%)City of Austin CL + ETJ (28.7%) Unincorporated Travis County (3.7%)Unincorporated Travis County (3.7%)

(Including Various ETJs: 23.5%)(Including Various ETJs: 23.5%) Village of Bee Cave CL + ETJ (2.8%)Village of Bee Cave CL + ETJ (2.8%) Total for These 5 Entities: > 95%Total for These 5 Entities: > 95%


Stakeholder Guiding PrinciplesStakeholder Guiding Principles1.1. The economy and environment of this unique part of The economy and environment of this unique part of

Texas depend upon the preservation, conservation Texas depend upon the preservation, conservation and management of and management of dependable supplies of clean dependable supplies of clean waterwater. We all recognize the unacceptable . We all recognize the unacceptable consequences that would result if we take no action to consequences that would result if we take no action to protect our water.protect our water.

2.2. Both Both private individuals and the Publicprivate individuals and the Public have a have a responsibility to respect the legitimate interests of responsibility to respect the legitimate interests of others and others and to do no harmto do no harm in their activities. in their activities.

3.3. Those who benefitThose who benefit from an activity must from an activity must bear thebear the responsibility for the costs and impactsresponsibility for the costs and impacts of that of that activity.activity.

4.4. We will favor measures which, all else being equal, We will favor measures which, all else being equal, minimize the risk of failureminimize the risk of failure or of damage to the or of damage to the watershed.watershed.


Stakeholder Guiding Principles (Cont’d)Stakeholder Guiding Principles (Cont’d)5.5. The water quality protection measures we recommend The water quality protection measures we recommend

will strive to will strive to balance Government regulations withbalance Government regulations with appropriate appropriate economic incentiveseconomic incentives..

6.6. The regulatory measures we recommend shall be The regulatory measures we recommend shall be accompanied by strategies for administration and accompanied by strategies for administration and enforcement that enforcement that provide as much certainty as provide as much certainty as possiblepossible while discouraging exemptions and while discouraging exemptions and exceptions.exceptions.

7.7. We will make all our decisions being mindful of the We will make all our decisions being mindful of the economic impact of the measures recommended and economic impact of the measures recommended and strive to achieve a strive to achieve a fair and reasonable balancefair and reasonable balance among the various interests.among the various interests.

8.8. We We will not permitwill not permit any party or group in this process any party or group in this process to have undue or to have undue or unfair controlunfair control over the outcome. over the outcome.


As-built IC in the Planning RegionAs-built IC in the Planning Region


0.00%

5.00%

10.00%

15.00%

20.00%

25.00%

30.00%

Littl

e B

arto

n C

reek

Bar

ton

Cre

ek

Bee

Cre

ek

Littl

e B

ee C

reek

Ean

es C

reek

Willi

amso

n C

reek

Sla

ught

er C

reek

Bea

r C

reek

Littl

e B

ear

Cre

ek

Oni

on C

reek

Watershed

Est

imat

ed A

s-b

uilt

Imp

ervi

ou

s C

ove

r -

% (

circ

a 20

03)

Recharge ZoneContributing Zone

Combined

Impacts of Impervious Cover (IC)Impacts of Impervious Cover (IC) IC – Roofs, Driveways, Streets, Parking Lots, IC – Roofs, Driveways, Streets, Parking Lots,

etc. that intercept rainfall and generally do not etc. that intercept rainfall and generally do not allow percolation/seepage of rainfall into soilallow percolation/seepage of rainfall into soil

Data SourcesData Sources U.S. Geological SurveyU.S. Geological Survey City of AustinCity of Austin LCRALCRA

Begin to see statistically significant impacts Begin to see statistically significant impacts between 5-18%between 5-18%

At 20%, Degradation Using TCEQ CriteriaAt 20%, Degradation Using TCEQ Criteria Protective Levels EstablishedProtective Levels Established

10% for Recharge Zone10% for Recharge Zone 15% for Contributing Zone15% for Contributing Zone


Explanatory Notes for IC TableExplanatory Notes for IC Table Limited ReviewLimited Review

No connected blocks of IC > 20,000 sf.No connected blocks of IC > 20,000 sf. Off-site discharges to sheet flowOff-site discharges to sheet flow No hard-lined drainage conveyance structuresNo hard-lined drainage conveyance structures On-site survey for CEFs and streamsOn-site survey for CEFs and streams Geometric review of site plan, no technical Geometric review of site plan, no technical

demonstration of performance required.demonstration of performance required. Standard MethodsStandard Methods

Comp. Site Design + Calc. Demo. “no net increase”Comp. Site Design + Calc. Demo. “no net increase” Where on-site IC exceed the established IC Limit:Where on-site IC exceed the established IC Limit:

• O&M program includes site specific performance monitoringO&M program includes site specific performance monitoring• Monitoring program by a public entityMonitoring program by a public entity• Secured funding for O&M and monitoringSecured funding for O&M and monitoring


Explanatory Notes for I. C. Table (Cont’d)Explanatory Notes for I. C. Table (Cont’d) TDRsTDRs

Recharge ZoneRecharge Zone• TDRs Used in RZ must be obtained from RZTDRs Used in RZ must be obtained from RZ• Combined IC of all tracts must be 10% or lowerCombined IC of all tracts must be 10% or lower

Contributing ZoneContributing Zone• TDRs used in the CZ may be obtained from RZ or CZTDRs used in the CZ may be obtained from RZ or CZ• TDRs from properties outside of PGAsTDRs from properties outside of PGAs• Combined IC of all tracts must be 15% or lowerCombined IC of all tracts must be 15% or lower

Preferred Growth Areas (PGAs)Preferred Growth Areas (PGAs) Defined by local govts. - Comprehensive PlanningDefined by local govts. - Comprehensive Planning Within municipal boundariesWithin municipal boundaries Zoning – industrial/commercial or high-den. Res.Zoning – industrial/commercial or high-den. Res.

““No Limit” - roof runoff rainwater harvestingNo Limit” - roof runoff rainwater harvesting


Incremental Cost ScenariosIncremental Cost Scenarios Current City of Austin SOS Water Quality Ordinance Current City of Austin SOS Water Quality Ordinance

(WQO)(WQO) Current Village of Bee Cave WQQCurrent Village of Bee Cave WQQ Current City of Buda WQOCurrent City of Buda WQO Current/previous City of Drippings Springs WQOsCurrent/previous City of Drippings Springs WQOs TCEQ’s Edwards Aquifer Protection Program (EAPP) TCEQ’s Edwards Aquifer Protection Program (EAPP)

optional measures to avoid take of the Barton Springs optional measures to avoid take of the Barton Springs salamander, approved by USFWS, with IC at 20%salamander, approved by USFWS, with IC at 20%

TCEQ’s EAPP measures, with IC at 20%TCEQ’s EAPP measures, with IC at 20% TCEQ’s EAPP measures, with lot size restricted by TCEQ’s EAPP measures, with lot size restricted by

current county (Hays and Travis) OSSF ordinances.current county (Hays and Travis) OSSF ordinances. The USFWS measures from the Memorandum of The USFWS measures from the Memorandum of

Understanding with the LCRA for providing surface waterUnderstanding with the LCRA for providing surface water


Incremental Costs – Typical LotIncremental Costs – Typical Lot


($6,000.00) ($4,000.00) ($2,000.00) $0.00 $2,000.00 $4,000.00 $6,000.00 $8,000.00

USFWS RZ (Kyle, Hays and MountainCity)

TCEQ EA Optional RZ (Kyle, Hays andMountain City)

TCEQ EA 20% RZ (Kyle, Hays andMountain City)

Buda W.Q.O (Buda ETJ)

Austin SOS RZ (Austin ICL + ETJ)

USFWS CZ (W. Travis & W. HaysUninc., Dripping Springs ETJ)

TCEQ EA+OSSF CZ (W. Travis & W.Hays Uninc., Dripping Springs ETJ)

TCEQ EA Optional CZ (W. Travis & W.Hays Uninc., Dripping Springs ETJ)

TCEQ EA 20% CZ (W. Travis & W.Hays Uninc., Dripping Springs ETJ)

Dripping Springs W.Q.O. - Previous(Dripping Springs ICL +ETJ)

Dripping Springs W.Q.O. - New(Dripping Springs ETJ)

Dripping Springs W.Q.O.- New(Dripping Springs ICL)

Bee Cave W.Q.O. (Bee Cave ICL +ETJ)

Austin SOS CZ (Austin ICL + ETJ)

Exi

stin

g W

ater

Qu

alit

y O

rdin

ance

s [W

.Q.O

.s]

(Are

as W

her

e T

hey

Ap

ply

)

Estimated Incremental Cost ($/Lot)

Land

BMP Installation

TDRs

Pos (+): Plan Cost > ExistingNeg (-): Plan Costs < Existing

CONTRIBUTING

RECHARGE


$0 $20,000 $40,000 $60,000 $80,000 $100,000

$120,000

$140,000

USFWS RZ (Kyle, Hays and Mountain City)

TCEQ EA Optional RZ (Kyle, Hays and Mountain City)

TCEQ EA 20% RZ (Kyle, Hays and Mountain City)

Buda W.Q.O. (Buda ETJ)

Austin SOS RZ (Austin ICL)

Austin SOS RZ (Austin ICL)

USFWS CZ (W. Travis Uninc.)

USFWS CZ (W. Hays Uninc.)

USFWS CZ (Dripping Springs ETJ)

TCEQ EA+OSSF CZ (W. Travis Uninc.)

TCEQ EA+OSSF CZ (W. Hays Uninc.)

TCEQ EA+OSSF CZ (Dripping Springs ETJ)

TCEQ EA Optional CZ (W. Travis Uninc.)

TCEQ EA Optional CZ (W. Hays Uninc.)

TCEQ EA Optional CZ (Dripping Springs ETJ)

TCEQ EA 20% CZ (W. Travis Uninc.)

TCEQ EA 20% CZ (W. Hays Uninc.)

TCEQ EA 20% CZ (Dripping Springs ETJ)

Dripping Springs W.Q.O. - Previous (Dripping Springs ICL +ETJ)

Dripping Springs W.Q.O. - New (Dripping Springs ETJ)

Dripping Springs W.Q.O.- New (Dripping Springs ICL)

Bee Cave W.Q.O. (Bee Cave ICL + ETJ)

Austin SOS CZ (Austin ICL)

Austin SOS CZ - ETJ

Exi

stin

g W

ater

Qu

alit

y O

rdin

ance

s [W

.Q.O

.s]

(Are

as W

her

e T

hey

Ap

ply

)

Estimated Total Cost of a Typical Residential Lot

2004 Cost, IncludingCurrent WQ measures

Estimated IncrementalCosts-Plan Measures

2004 Published Sales compiled from Austin Association of Realtors

Multiple Listing Service

Impact of Incremental Cost on Total CostImpact of Incremental Cost on Total Cost

Items in the Plan with Less than Items in the Plan with Less than Consensus AgreementConsensus Agreement

Min. Contributing Areas for Stream Buffer ZonesMin. Contributing Areas for Stream Buffer Zones Specific Widths for Stream BZsSpecific Widths for Stream BZs Recognized Treatment Capacity for Stream Recognized Treatment Capacity for Stream

BZs/CEF SetbacksBZs/CEF Setbacks Wastewater/Stormwater Irrigation DesignWastewater/Stormwater Irrigation Design Inclusion of Wetlands in PlanInclusion of Wetlands in Plan Safety Factors/Design for Structural BMPsSafety Factors/Design for Structural BMPs Funding Sources for O&M of BMPsFunding Sources for O&M of BMPs Use of Development AgreementsUse of Development Agreements Details of the Impervious Cover Table and the Details of the Impervious Cover Table and the

Thresholds for Requiring TDRsThresholds for Requiring TDRs


What Next?What Next? Review, Adoption and Implementation by Review, Adoption and Implementation by

Local JurisdictionsLocal Jurisdictions Integration into existing ordinances/rulesIntegration into existing ordinances/rules New ordinances/rulesNew ordinances/rules Specific funding mechanismsSpecific funding mechanisms

Inter & Intra-jurisdictional CoordinationInter & Intra-jurisdictional Coordination Adaptive ManagementAdaptive Management

Important to Identify What’s working and NotImportant to Identify What’s working and Not Accommodate new technologies and scienceAccommodate new technologies and science Helps facilitate coordinationHelps facilitate coordination


An Overview of the Regional Water Quality Protection Plan Development of a Regional Water Quality Protection Plan for the Barton Springs Segment of the.

Documents

good water quality

diverted water

texas water development

city of dijon

environmental consultants

public involvement good

category interests

citizens public