streamgaging task force summary report advisory committee on water information herndon, virginia...
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Streamgaging Task ForceSummary Report
Advisory Committee on Water Information
Herndon, Virginia
September 10, 2003
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Advisory Committee on Water Information
Streamgaging Task Force
Commissioned by the ACWI in 1998.
Charge: Determine the streamflow information needs of the Nation, identify the optimal streamgaging network to meet the needs, and prepare recommendations for funding responsibilities.
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Streamgaging Task Force Members
Interstate Council on Water PolicyU. S. Geological SurveyAmerican Association of State GeologistsAmerican Society of Civil EngineersAmerican Water Resources AssociationAssociation of State Floodplain ManagersAssociation of Western State EngineersGround Water Protection Council
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Streamgaging Task Force Members
Tennessee Valley Authority
Western States Water Council
Bureau of Reclamation
National Weather Service
Natural Resources Conservation Service
U. S. Environmental Protection Agency
U. S. Army Corps of Engineers
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Streamgaging Task ForceApproach
1. Identified goals of a national network 2. Compiled information on all available
streamgaging stations3. Evaluated the achievement of National goals
using the USGS network model4. Identified additional stations needed to achieve
each goal5. Recommended a core streamgaging network6. Proposed funding strategies
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Streamgaging Task ForceConcurrent Activities
1. USGS developed their own plan for a National Streamflow Information Program (NSIP).
2. The Interstate Council on Water Policy was commissioned to conduct a series of four workshops on NSIP and considerations for a national streamgaging network.
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Streamgaging Task ForceFinal Report
• Submitted to ACWI on April 3, 2002• Chairman proposed a 30-day comment period
followed by a telephone conference call• Comments were received from League of
Women Voters, USDA, and Universities Council on Water Resources
• USGS provided comments in February 2003 and suggested several changes to the recommendations
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Streamgaging Task ForceFinal Report Comments
League of Women Voters– Need adequate data for flood protection– Determine which agency Congress is most
likely to fund for the national streamgaging network
– Protect critical environmental areas
USDA-NRCS– Real-time data delivery
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Streamgaging Task ForceFinal Report Comments
Universities Council on Water Resources– Cost of gages should be compared with
benefits– TMDL goal is high priority; difficult to
quantify– Real-time data delivery
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Streamgaging Task ForceFinal Report Comments
USGS– All components of NSIP are equally
important– Network expenditures should not be restricted
to new stations and infrastructure costs when existing network is not stable
– Funding core network with multiple agencies is a flawed approach
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Streamgaging Task ForceFinal Report Follow-up
• League of Women Voters, USDA, and UCOWR comments addressed by Chairs
• USGS comments were sent to Task Force members
• Responses received from AASG, ASFPM, and ICWP
• Clarifying statements added to final report
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Streamgaging Task ForceNetwork Recommendations
Recommendation 1. -- USGS should adopt the following goals for NSIP:
A. Support NWS and NRCS flow forecastingB. Monitor streamflow of hydrologic cataloguing units
(8-digit HUCs)C. Support Compacts, Supreme Court decrees, and
international border crossingsD. Monitor long-term trends in streamflow with an
expanded Hydrologic Benchmark Network[Larger network of HUC8 gages will support flood protection,
water quality and quantity management and other goals.]
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Proposed NSIP Streamgaging Network
GOAL ACTIVE OTHER AGENCY
INACTIVE NEW TOTAL
NWS AND NRCS
2,070 262 726 434 3,492
HUC 8 1,097 167 379 926 2,569
Compacts 241 8 3 4 256
Hydrologic
Benchmark
120 5 0 6 131
Sum of Requirements
3,528 442 1,108 1,370 6,448
Stations needed
2,778 304 830 1,285 5,197
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Streamgaging Task ForceNetwork Recommendations
Recommendation 2. – Use the COOP program and the watershed approach for meeting other streamflow information needs
• Establish new stations in HUC 10 watersheds based on local, state, and national needs
• 25 percent coverage of each HUC 8 watershed
[Data for critical environmental areas will be provided through the COOP program.]
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Streamgaging Task ForceNetwork Recommendations
Recommendation 3. -- Stations providing flood data about communities participating in the National Flood Insurance Program should have a high priority within the USGS COOP program.
• USGS and Federal Emergency Management Agency work with communities to establish a crest-stage gage network
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Streamgaging Task ForceFunding and Related Strategies
Recommendation 4. – The USGS should implement the network components of NSIP in five years. [The report was revised to reflect the Task Force’s support for full funding of NSIP, however, the network should be emphasized in the initial years of the program.]
Recommendation 5. -- USGS and its’ cooperators should continue to seek increases in COOP.
• Restore historic 50:50 funding
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Streamgaging Task ForceFunding and Related Strategies
Recommendation 6. -- Network components of NSIP should be implemented by using funding increases to support new or reactivated stations and infrastructure costs. [Report was revised to support the use of NSIP funds for existing stations when cooperator funds are lost and the stability of the network is affected.]
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Streamgaging Task ForceFunding and Related Strategies
Recommendation 7. -- Each USGS District, in collaboration with its’ cooperators, should develop a streamgaging strategy, including a priority system for adding new stations.
Recommendation 8. – USGS should use NSIP infrastructure funds to verify and upgrade, if necessary, the quality and distribution of data from stations operated by other agencies. [This includes real-time data delivery.]
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Streamgaging Task ForceFunding and Related Strategies
Recommendation 9. -- USGS should continue cooperation with other Federal agencies. [This recommendation was intended for both the USGS and cooperating Federal agencies. USGS should fund the NSIP network; other Federal agencies should continue to support other components of the national streamgaging network]
Recommendation 10. – A similar network evaluation should be conducted in another 10 years.
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Streamgaging Task ForceFinal Report
Task Force requests that the ACWI endorse the final report and take action on the appropriate recommendations.