Search datasets
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SDWIS/FED is EPA's national regulatory compliance database for the drinking water program. It includes information on the nation's 160,000 public water systems and violations of drinking water...
Search relevance: 193.31 | Views last month: 16 | Catalog Last Checked: May 01, 2026 at 06:08 PM -
National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards protect public health by limiting...
Search relevance: 186.55 | Views last month: 29 | Catalog Last Checked: May 01, 2026 at 06:08 PM -
The Division of Drinking Water (DDW), in collaboration with the California Department of Education, has taken the initiative to begin testing for lead in drinking water at all public K-12 schools....
Search relevance: 186.06 | Views last month: 0 | Catalog Last Checked: July 28, 2025 at 09:15 PM -
The Drinking Water State Revolving Fund (DWSRF) National Information Management System collects information that provide a record of progress and accountability for the program. Reports on DWSRF...
Search relevance: 182.27 | Views last month: 3 | Catalog Last Checked: May 01, 2026 at 06:08 PM -
Public Water Systems (PWS) submit their annual reports with rate information using the Electronic Annual Report (EAR) submission process on the Drinking Water Information Clearinghouse (DRINC)...
Search relevance: 178.45 | Views last month: 2 | Catalog Last Checked: July 29, 2025 at 02:33 AM -
The Drinking Water Treatability Database (TDB) presents referenced information on the control of contaminants in drinking water. It allows drinking water utilities, first responders to spills or...
Search relevance: 171.00 | Views last month: 9 | Catalog Last Checked: May 01, 2026 at 06:08 PM -
The Division of Drinking Water requires laboratories to submit water quality data directly. The data is received, and published twice monthly on the Division's water quality portal. The resource...
Search relevance: 168.79 | Views last month: 3 | Catalog Last Checked: July 29, 2025 at 02:33 AM -
The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of the March 23, 2023, OEDP workshop. The main...
Search relevance: 167.35 | Views last month: 0 | Catalog Last Checked: November 28, 2025 at 07:18 PM -
Austin Water's annual Drinking Water Quality Report site provides information on Austin’s drinking water. The United States Environmental Protection Agency (EPA) requires that all drinking water...
Search relevance: 161.51 | Views last month: 3 | Catalog Last Checked: March 30, 2026 at 09:51 PM -
The ARRA appropriation for the DWSRF program is $2,000,000,000. DWSRF allotments are based on percentages derived from the 2003 Drinking Water Infrastructure Needs Survey. For general and...
Search relevance: 158.98 | Views last month: 0 | Catalog Last Checked: May 01, 2026 at 06:08 PM -
Loans and grants from the Safe Drinking Water loan programs made in Fiscal Years 2019-2025 under ORS 285A.213. Safe Drinking Water loan programs fund drinking water system improvements needed to...
Search relevance: 148.04 | Views last month: 2 | Catalog Last Checked: May 26, 2026 at 05:17 PM -
Lithium and co-occurring constituents from pilot- and full-scale drinking water treatment plants. This dataset is associated with the following publication: Keithley, A., P. Jordan, C. Muhlen,...
Search relevance: 143.05 | Views last month: 1 | Catalog Last Checked: April 21, 2026 at 08:06 PM -
The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton for each PWS. The source of the data...
Search relevance: 139.98 | Views last month: 25 | Catalog Last Checked: July 28, 2025 at 09:52 PM -
The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations.
Search relevance: 136.91 | Views last month: 216 | Catalog Last Checked: May 01, 2026 at 06:08 PM -
This page provides information for the Safe Drinking Water performance measure.
Search relevance: 136.47 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 11:16 AM -
This study presents the first large-scale assessment of cyanobacterial frequency and abundance at surface drinking water intakes across the United States. Public water systems serve drinking water...
Search relevance: 135.36 | Views last month: 1 | Catalog Last Checked: April 21, 2026 at 08:01 PM -
This is an official DOHMH dataset. The Health Department does not endorse datasets using these data that may be created by others. The dataset contains the self-inspections of drinking water tanks...
Search relevance: 135.18 | Views last month: 1 | Catalog Last Checked: June 09, 2026 at 08:18 PM -
Data for figures presented in Drinking Water Buffer Intensity Simulator (BIS): Development and Practical Simulations. This dataset is associated with the following publication: G. Wahman, D., M....
Search relevance: 135.09 | Views last month: 1 | Catalog Last Checked: April 21, 2026 at 08:06 PM -
This data layer is an element of the Oregon GIS Framework. This map includes Oregon Department of Environmental Quality (DEQ) and Oregon Department of Human Services’ (DHS) Drinking Water Program...
Search relevance: 134.96 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 07:55 PM -
This dataset indicates whether or not the City of Tempe met the regulations prescribed by the Environmental Protection Agency limiting the amount of certain contaminants in water provided by...
Search relevance: 133.78 | Views last month: 2 | Catalog Last Checked: May 06, 2026 at 11:16 AM
