Introduction
FloPy includes support for MODFLOW 6, MODFLOW-2005, MODFLOW-NWT, MODFLOW-USG, and MODFLOW-2000. Other supported MODFLOW-based models include MODPATH (version 6 and 7), MT3DMS, MT3D-USGS, and SEAWAT.
For general modeling issues, please consult a modeling forum, such as the MODFLOW Users Group. Other MODFLOW resources are listed in the MODFLOW Resources section.
Documentation
Documentation is available on Read the Docs and includes information on FloPy; tutorials for using FloPy with MODFLOW 6 and previous versions of MODFLOW, MT3DMS, MT3D-USGS, MODPATH, and ZONEBUDGET; and code documentation.
Contributing
Bug reports, code contributions, or improvements to the documentation are welcome from the community. Prior to contributing, please read up on our guidelines for contributing and then check out one of our issues in the hotlist: community-help.
How to Cite
Citation for FloPy:
Software/Code citation for FloPy:
Bakker, Mark, Post, Vincent, Hughes, J. D., Langevin, C. D., White, J. T., Leaf, A. T., Paulinski, S. R., Bellino, J. C., Morway, E. D., Toews, M. W., Larsen, J. D., Fienen, M. N., Starn, J. J., Brakenhoff, D. A., and Bonelli, W. P., 2026, FloPy v3.11.0: U.S. Geological Survey Software Release, 03 September 2026, https://doi.org/10.5066/F7BK19FH License
Unless otherwise noted, This project is in the public domain in the United States because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy at https://www2.usgs.gov/visual-id/credit_usgs.html#copyright
Additionally, we waive copyright and related rights in the work worldwide through the CC0 1.0 Universal public domain dedication.
CC0 1.0 Universal Summary
This is a human-readable summary of the Legal Code (read the full text).
No Copyright
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of his or her rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.
You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
Other Information
In no way are the patent or trademark rights of any person affected by CC0, nor are the rights that other persons may have in the work or in how the work is used, such as publicity or privacy rights.
Unless expressly stated otherwise, the person who associated a work with this deed makes no warranties about the work, and disclaims liability for all uses of the work, to the fullest extent permitted by applicable law. When using or citing the work, you should not imply endorsement by the author or the affirmer.
Metadata
Release files for flopy 3.11.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| flopy-3.11.0.tar.gz | 1.2 MB | Without provenance | Details for flopy-3.11.0.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| flopy-3.11.0-py3-none-any.whl | Python 3 | none | any | Details for flopy-3.11.0-py3-none-any.whl |
Total release size: 2.7 MB
Release files / flopy-3.11.0.tar.gz
| Download URL | flopy-3.11.0.tar.gz |
|---|---|
| Size | 1.2 MB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
b68006f33956b2c86f263084fddf3e5d39b7e57021a600b48350c5ebafe1fac8
|
|
BLAKE2b-256 checksum How to use checksums |
6c935a54cd9e927754b274bd2c076ac1a99e9802faa46d296d97c48d7651bdf1
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
uv/0.12.9 {"installer":{"name":"uv","version":"0.12.9","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"22.04","id":"jammy","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
|
Release files / flopy-3.11.0-py3-none-any.whl
| Download URL | flopy-3.11.0-py3-none-any.whl |
|---|---|
| Size | 1.5 MB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
2bfb9cab252d729eebc760f0b3b0bf1dbe8826e5a5026ef38a77afa18fb1302e
|
|
BLAKE2b-256 checksum How to use checksums |
ba40cb8a31ba76cb2914bb2b45c78d252f3b9f84fd1b475613559ab18a9fb084
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
uv/0.12.9 {"installer":{"name":"uv","version":"0.12.9","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"22.04","id":"jammy","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
|
Security for flopy 3.11.0
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
No provenance found
None of the files in this release were uploaded with provenance metadata.
A note on package security
PyPI is a repository for distributing packages, not a service for auditing them. While third-party security researchers and our staff do their best to detect and remove malicious packages, PyPI cannot guarantee the quality, security or suitability of any given package.
To learn more about protecting yourself from malicious actors, visit our package security documentation.