NADP News
PFAS NTN-subnetwork, (PFN) “Puffin” Pilot Network
The NADP now offers measurements of per- and polyfluoroalkyl substances (PFAS) in precipitation? The new PFN “puffin” pilot network was established on Jan. 1 2024 after several years of method […] View
New Data Request Form
NADP is launching a new Data Request Form for requesting custom reports from NADP. Custom reports may involve chemistry or precipitation data not currently provided by the web pages, or […] View
Updates to Precipitation and Sample Data
Precipitation Data Adjustments In the past year, NADP has been making updates to how the electronic precipitation gauges are configured. Previously, almost all gauges were set to report precipitation data […] View
Change Logs Published
NADP has released a change log which documents when published data has been updated. The change log can be found in either the NTN or MDN network page under the […] View
AQAW 2024
Air Quality Awareness Week 2024 This year Air Quality Awareness Week will be celebrated May 6-10, 2024. The purpose of Air Quality Awareness Week is to bring attention to air […] View
New NTN Sample ID# Format
In a continued effort to make more aspects of all NADP networks consistent, we updated the format of NTN sample ID numbers. Starting tomorrow, 3/1/2024, new NTN sample ID numbers […] View
NTN Aggregated Conductance Errors (2021 and 2022)
In November 2023, an error was discovered in the script used to calculate the monthly, seasonal, annual, and water year PWM values for conductance. The script was incorrectly multiplying the […] View
MDN Bottle Contamination and Affected Samples
In mid-November 2022, a contamination issue was discovered with the MDN sample collection bottles that had been in circulation since the end of August 2022. Once identified, the lab immediately […] View
AQAW 2023
Air Quality Awareness Week 2023 This year Air Quality Awareness Week will be celebrated May 1-5, 2023. The purpose of Air Quality Awareness Week is to bring attention to air […] View
MDN Bottle Contamination Issue
In mid-November 2022, a contamination issue was discovered with the MDN sample collection bottles that had been in circulation since the end of August 2022. Once identified, the lab immediately […] View