Title 42The Public Health and WelfareRelease 119-73

§10367 Water data enhancement by United States Geological Survey

Title 42 › Chapter CHAPTER 109B— - SECURE WATER › § 10367

Last updated Apr 6, 2026|Official source

Summary

The Secretary must run a national streamgage program to measure streamflow and related conditions in important watersheds. The program must track floods and droughts, keep long-term records to spot changes and study links to climate change, and work with other Federal, State, and local agencies to fill data gaps and improve forecasts. The program must use adaptive reviews and improve ways to collect and share data. Within 10 years after March 30, 2023 (by March 30, 2033), the Secretary must expand the streamgage network to at least 4,700 sites, and make sure every site is flood-hardened, has precipitation and water-quality sensors, and modern telemetry. The Federal government will pay 100 percent of the Federal network costs. Money is authorized as needed for fiscal years 2009 through 2028, with $10,000,000 per year authorized for the network upgrades for that same period. The Secretary must also set up long-term groundwater monitoring for each major aquifer. The program must use wells that give high-quality data, include real-time reporting when possible, and be planned with input from States, Tribes, and the Advisory Committee. Before starting monitoring in a State or on Tribal land after March 30, 2009, the Secretary must consult the relevant State or Tribe. The groundwater work must study surface–groundwater links, expand coverage to each climate division to track climate effects, and improve measurement methods. The Federal share may be 100 percent, but projects that bring in State, Tribal, or local cost-sharing get priority. Funding of $4,000,000 per year is authorized for fiscal years 2023 through 2028. The Secretary may also give nonreimbursable grants to experts to help develop cheaper, better ways to measure water and handle data, with $5,000,000 per year authorized for fiscal years 2009 through 2028.

Full Legal Text

Title 42, §10367

The Public Health and Welfare — Source: USLM XML via OLRC

(a)(1)The Secretary, in consultation with the Advisory Committee and the Panel and consistent with this section, shall proceed with implementation of the Federal priority streamgage program.
(2)In conducting the Federal priority streamgage program, the Secretary shall—
(A)measure streamflow and related environmental variables in nationally significant watersheds—
(i)in a reliable and continuous manner; and
(ii)to develop a comprehensive source of information on which public and private decisions relating to the management of water resources may be based;
(B)provide for a better understanding of hydrologic extremes (including floods and droughts) through the conduct of intensive data collection activities during and following hydrologic extremes;
(C)establish a base network that provides resources that are necessary for—
(i)the monitoring of long-term changes in streamflow; and
(ii)the conduct of assessments to determine the extent to which each long-term change monitored under clause (i) is related to global climate change;
(D)integrate the Federal priority streamgage program with data collection activities of Federal agencies and appropriate State water resource agencies (including the National Integrated Drought Information System)—
(i)to enhance the comprehensive understanding of water availability;
(ii)to improve flood-hazard assessments;
(iii)to identify any data gap with respect to water resources; and
(iv)to improve hydrologic forecasting; and
(E)incorporate principles of adaptive management in the conduct of periodic reviews of information collected under the Federal priority streamgage program to assess whether the objectives of the Federal priority streamgage program are being adequately addressed.
(3)The Secretary shall—
(A)improve methodologies relating to the analysis and delivery of data; and
(B)investigate, develop, and implement new methodologies and technologies to estimate or measure streamflow in a more cost-efficient manner.
(4)(A)Not later than 10 years after March 30, 2023, in accordance with subparagraph (B), the Secretary shall—
(i)increase the number of streamgages funded by the national streamflow information program to a quantity of not less than 4,700 sites; and
(ii)ensure all streamgages are flood-hardened and equipped with precipitation water-quality sensors and modernized telemetry.
(B)Each site described in subparagraph (A) shall conform with the Federal needs established through regular solicitation of feedback, such as that documented in the report titled “Re-prioritization of the U.S. Geological Survey Federal Priority streamgage program, 2022” 11 So in original. Probably should be “Re-Prioritization of the U.S. Geological Survey Federal Priority Streamgage Network, 2022”. (Open-file Report 2023–1032).
(5)The Federal share of the Federal priority streamgage network established pursuant to this subsection shall be 100 percent of the cost of carrying out the Federal priority streamgage network.
(6)(A)Except as provided in subparagraph (B), there are authorized to be appropriated such sums as are necessary to operate the Federal priority streamgage program for the period of fiscal years 2009 through 2028, to remain available until expended.
(B)There is authorized to be appropriated to carry out the network enhancements described in paragraph (4) $10,000,000 for each of fiscal years 2009 through 2028, to remain available until expended.
(b)(1)The Secretary shall develop a systematic groundwater monitoring program for each major aquifer system located in the United States.
(2)In developing the monitoring program described in paragraph (1), the Secretary shall—
(A)establish appropriate criteria for monitoring wells to ensure the acquisition of long-term, high-quality data sets, including, to the maximum extent possible, the inclusion of real-time instrumentation and reporting;
(B)in coordination with the Advisory Committee and State and local water resource agencies and Tribes—
(i)assess the current scope of groundwater monitoring based on the access availability and capability of each monitoring well in existence as of March 30, 2009; and
(ii)develop and carry out a monitoring plan that maximizes coverage for each major aquifer system that is located in the United States; and
(C)prior to initiating any specific monitoring activities within a State or Tribal lands after March 30, 2009, consult and coordinate with the applicable State water resource agency or Tribe with jurisdiction over the aquifer that is the subject of the monitoring activities, and comply with all applicable laws (including regulations) of the State.
(3)In carrying out the monitoring program described in paragraph (1), the Secretary shall—
(A)provide data that is necessary for the improvement of understanding with respect to surface water and groundwater interactions;
(B)by expanding the network of monitoring wells to reach each climate division, support the groundwater climate response network to improve the understanding of the effects of global climate change on groundwater recharge and availability; and
(C)support the objectives of the assessment program.
(4)The Secretary shall—
(A)improve methodologies relating to the analysis and delivery of data; and
(B)investigate, develop, and implement new methodologies and technologies to estimate or measure groundwater recharge, discharge, and storage in a more cost-efficient manner.
(5)The Federal share of the monitoring program described in paragraph (1) may be 100 percent of the cost of carrying out the monitoring program.
(6)In selecting monitoring activities consistent with the monitoring program described in paragraph (1), the Secretary shall give priority to those activities for which a State, a Tribe or local governmental entity agrees to provide for a substantial share of the cost of establishing or operating a monitoring well or other measuring device to carry out a monitoring activity.
(7)There are authorized to be appropriated $4,000,000 per fiscal year to carry out this subsection for the period of fiscal years 2023 through 2028, to remain available until expended.
(c)(1)The Secretary may provide grants on a nonreimbursable basis to appropriate entities with expertise in water resource data acquisition and reporting, including Federal agencies, the Water Resources Research Institutes and other academic institutions, and private entities, to—
(A)investigate, develop, and implement new methodologies and technologies to estimate or measure water resources data in a cost-efficient manner; and
(B)improve methodologies relating to the analysis and delivery of data.
(2)In providing grants to appropriate entities under paragraph (1), the Secretary shall give priority to appropriate entities that propose the development of new methods and technologies for—
(A)predicting and measuring streamflows;
(B)estimating changes in the storage of groundwater;
(C)improving data standards and methods of analysis (including the validation of data entered into geographic information system databases);
(D)measuring precipitation and potential evapotranspiration; and
(E)water withdrawals, return flows, and consumptive use.
(3)In recognition of the value of collaboration to foster innovation and enhance research and development efforts, the Secretary shall encourage partnerships, including public-private partnerships, between and among Federal agencies, academic institutions, and private entities to promote the objectives described in paragraph (1).
(4)There is authorized to be appropriated to carry out this subsection $5,000,000 for each of fiscal years 2009 through 2028.

Legislative History

Notes & Related Subsidiaries

Editorial Notes

Amendments

2024—Subsec. (a). Pub. L. 118–174, § 2(1)(A), substituted “Federal priority streamgage program” for “National streamflow information program” in heading. Subsec. (a)(1). Pub. L. 118–174, § 2(1)(B), substituted “Federal priority streamgage program” for “national streamflow information program, as reviewed by the National Research Council in 2004”. Subsec. (a)(2). Pub. L. 118–174, § 2(1)(C), substituted “Federal priority streamgage program” for “national streamflow information program” wherever appearing. Subsec. (a)(4)(A). Pub. L. 118–174, § 2(1)(D)(i)(I), substituted “2023” for “2009” in introductory provisions. Subsec. (a)(4)(A)(ii). Pub. L. 118–174, § 2(1)(D)(i)(II), inserted “precipitation” before “water-quality sensors”. Subsec. (a)(4)(B). Pub. L. 118–174, § 2(1)(D)(ii), which directed the substitution of “Federal needs established through regular solicitation of feedback, such as that documented in the report titled ‘Re-prioritization of the U.S. Geological Survey Federal Priority streamgage program, 2022’ (Open-file Report 2023–1032).” for “National Streamflow Information Program as reviewed by the National Research Council.” was executed by making the substitution for “National Streamflow Information Program plan as reviewed by the National Research Council.”, to reflect the probable intent of Congress. Subsec. (a)(5). Pub. L. 118–174, § 2(1)(E), substituted “Federal priority streamgage network” for “national streamgaging network” in two places. Subsec. (a)(6)(A). Pub. L. 118–174, § 2(1)(F)(i), substituted “Federal priority streamgage program” for “national streamflow information program” and “2028” for “2023”. Subsec. (a)(6)(B). Pub. L. 118–174, § 2(1)(F)(ii), substituted “2028” for “2019”. Subsec. (b)(2)(B). Pub. L. 118–174, § 2(2)(A)(i), inserted “and Tribes” after “agencies” in introductory provisions. Subsec. (b)(2)(C). Pub. L. 118–174, § 2(2)(A)(ii), inserted “or Tribal lands” after “within a State” and “or Tribe” after “water resource agency”. Subsec. (b)(6). Pub. L. 118–174, § 2(2)(B), inserted “, a Tribe” after “a State”. Subsec. (b)(7). Pub. L. 118–174, § 2(2)(C), substituted “$4,000,000 per fiscal year” for “such sums as are necessary” and “2023 through 2028” for “2009 through 2023”. Subsec. (c). Pub. L. 118–174, § 2(3), (4), redesignated subsec. (d) as (c) and struck out former subsec. (c) which related to brackish groundwater assessment study and report. Subsec. (c)(4). Pub. L. 118–174, § 2(5), substituted “2028” for “2019”. Subsec. (d). Pub. L. 118–174, § 2(4), redesignated subsec. (d) as (c).

Reference

Citations & Metadata

Citation

42 U.S.C. § 10367

Title 42The Public Health and Welfare

Last Updated

Apr 6, 2026

Release point: 119-73