Search datasets
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Private wells in this layer come from the Department of Environmental Conservation's Water Supply Data Composite. Managed by the Water Supply Division's Well Driller and Well Location Program, the...
Search relevance: 152.83 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 05:52 PM -
Lead (Pb) occurrence and sources and aqueous geochemistry were assessed in private wellhead and tap water at a targeted area of concern for possible exceedances and at a control area in the same...
Search relevance: 141.28 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:54 PM -
Documented in this data release are data used to model and map the probability of arsenic being greater than 10 micrograms per liter in private domestic wells throughout the conterminous United...
Search relevance: 141.18 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:25 PM -
Well lithology records in this layer come from the Department of Environmental Conservation's Water Supply Data Composite. Managed by the Water Resources Section in the Drinking Water and...
Search relevance: 138.78 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 05:52 PM -
Groundwater was collected by dead-end ultrafiltration and small-volume grab sampling from 138 wells in southwest Wisconsin across Grant, Iowa, and Lafayette Counties. Samples were collected to...
Search relevance: 134.28 | Views last month: 5 | Catalog Last Checked: October 09, 2026 at 04:33 PM -
Private domestic well use estimates for US Census block groups were calculated using a combination of population and housing unit data from the 1990, 2000 and 2010 Decennial Censuses in...
Search relevance: 118.64 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 05:00 AM -
Private wells (n = 138) were sampled by large- and small-volume sampling methods in Grant, Iowa, and Lafayette Counties, Wisconsin, USA in 2019 and 2020. Well water samples were analyzed for...
Search relevance: 108.64 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:39 PM -
This dataset contains the water-quality results from the testing of unfiltered water samples (environmental samples) collected from 674 private wells in Connecticut for the analysis of arsenic and...
Search relevance: 104.21 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:11 PM -
This data release contains data used to develop models and maps that estimate probabilities of exceeding various thresholds of arsenic concentrations in private domestic wells throughout the...
Search relevance: 96.58 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:30 PM -
The USGS developed methods and results to improve estimation of the aquifer system, location, and quantity of private-domestic well groundwater withdrawals and the self-supplied domestic...
Search relevance: 78.02 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 09:49 PM -
Background This study examined the relationship between the bacteriological contamination of drinking water from private wells and acute gastrointestinal illness (AGII), using current...
Search relevance: 75.27 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:19 PM -
Between June 2024 and December 2024, tapwater samples were collected from 48 homes that use private well water as their drinking water source. All homes were located within a 50-kilometer radius...
Search relevance: 64.27 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:01 PM -
This repository contains data supporting the publication, "Association of runoff risk with private well contamination in a fractured dolostone aquifer." In this study, a cohort of private wells in...
Search relevance: 58.08 | Views last month: 1 | Catalog Last Checked: October 09, 2026 at 04:34 PM -
This data provides improved estimates of the dependence and spatial distribution of housing units reliant on private domestic wells by census block group and block. Nationally, based on an...
Search relevance: 42.89 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 06:58 PM -
Arsenic concentrations from 20,450 domestic wells in the U.S. were used to develop a logistic regression model of the probability of having arsenic > 10 µg/L (“high arsenic”), which is presented...
Search relevance: 40.54 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:47 PM -
This public data release contains two ascii grids comprising predicted nitrate concentrations (as NO3-N, mg/L) at two depth zones associated with private and public drinking water supply wells,...
Search relevance: 37.46 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:45 PM -
Beginning in 2016, the U.S. Geological Survey, Environmental Health Program, Drinking Water and Wastewater Infrastructure Integrated Science Team, in collaboration with other federal,...
Search relevance: 35.68 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:50 PM -
This dataset is a representation of the depth in feet to bedrock as reported in the driller's log for the Water Wells Database of the Tennessee Department of Environment and Conservation (TDEC),...
Search relevance: 34.91 | Views last month: 7 | Catalog Last Checked: October 14, 2026 at 05:24 AM -
Wells are defined by 21 DCMR Chapter 18 as any test hole, shaft, or soil excavation created by any means including, but not limited to, drilling, coring, boring, washing, driving, digging, or...
Search relevance: 34.29 | Views last month: 3 | Catalog Last Checked: November 03, 2026 at 10:31 PM -
In 2015, the total amount of water withdrawn for domestic self-supplied in Florida was estimated at 177 million gallons per day (Mgal/d). All of this water is from fresh groundwater sources. Duval...
Search relevance: 34.26 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:07 PM
