No. 14 of 30 ·Data Cleansing Software

Harmonize WQ

Linux

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Freedom report

One barScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Harmonize WQ is ranked #14 of 30 in data cleansing software on Freedom251. It runs on Linux.

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The record

Purpose: Harmonize WQ is a water-quality-specific framework for standardizing, cleaning, and wrangling Water Quality Portal data into more analysis-ready formats.
Target users: The package is intended to help people analyzing Water Quality Portal data, while domain experts decide which data meet their comparability standards and acceptance thresholds.
Unit and basis handling: It helps identify differences in data units, including speciation and basis.
Method differences: It helps identify differences in sampling or analytic methods.
Error handling: It helps resolve data errors using transparent assumptions.
Data shaping: It can transform results from long format to wide format.
Example data source: The documented workflow queries the Water Quality Portal using the Python dataretrieval package.
Cleaning and wrangling: The example workflow includes datetime and sample-depth cleaning, splitting characteristic-specific columns, and collapsing results by sample organization, activity, location, and datetime.
Standardized example outputs: The example workflow standardizes depth and Secchi values to meters and temperature to degrees Celsius, and includes quality-issue columns.
Installation: The documentation gives pip installation commands for the published package and the latest development version from GitHub.
Tutorials: The documentation links simple and detailed tutorial notebooks for Pensacola Bay, Tampa Bay, Cape Cod, and Gulf of Mexico estuaries.
Support and development: The repository says harmonize_wq is under development and directs users to report bugs and enhancement ideas through its issue tracker.

Where it ranks on Freedom251

Best Data Cleansing Software in 2026#14 of 30

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Sources

usepa.github.io/harmonize-wq/· checked 4 Oct 2026
usepa.github.io/harmonize-wq/example%20workflow.html· checked 4 Oct 2026
usepa.github.io/harmonize-wq/installing.html· checked 4 Oct 2026
github.com/USEPA/harmonize-wq· checked 4 Oct 2026