External Services
- Webpage
LDES parameter codes help
The DNR Parameter Excel spreadsheet contains a complete list of DNR parameters and their codes. You can filter and search within the Excel spreadsheet to help you quickly navigate to the parameter of interest. These parameter codes are needed to…
- Webpage
Laboratory services
The DNR receives laboratory data from many sources for environmental monitoring. This environmental monitoring is done for compliance with state and federal rules, investigating environmental problems, determining baseline quality, verifying cleanup…
- Webpage
Lab data transmittal
The department realizes that facilities and laboratories do not all have the same capability in providing electronic records. Therefore, there are a number of options for electronic submittal.Getting started with data uploadingWAMS is used for…
- Webpage
Frequently asked questions
Common questions related to creating the data files to upload to LDES.What will we do if there is no unique well number or public water supply number given?One of these identifiers needs to be included on any sample that is taken at an entry point…
- Webpage
Resources and assistance for Laboratories
Outreach is a critical component of the Laboratory Certification and Registration Program. We have compiled a list of forms, benchsheets, guidance documents, method references and training presentations to assist you in generating quality analytical…
- Webpage
Laboratory certification & registration program
The Wisconsin Department of Natural Resources (DNR) Laboratory Certification Program was created in 1986 to help ensure that laboratories submit reliable and consistent data to the department's various environmental programs. The program currently…
- Webpage
Laboratory Certification Standards Review Council
The Laboratory Certification Standards Review Council is created under s. 15.107 (12), Wis. Stats. and generally meets quarterly each calendar year.Next meetingDate:Tuesday, April 22, 2025Time:9:00 a.m. to end of agendaLocation:In-person Option
- Webpage
PFAS certification
The Wisconsin Department of Natural Resources is offering certification for PFAS in drinking water (potable water), aqueous (non-potable water), and non-aqueous matrices.Labs that currently hold WI DNR PFAS certification can be found here: WI PFAS…
- Webpage
BOD Toxicity
Sample toxicity Often referred to as "sliding" BODs BOD decreases as sample volume increases (i.e., less dilute) Occurs frequently in systems receiving industrial waste Amounts to killing off (or severe shock to) "the bugs" Results in under-…