diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..bfcf077
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 105
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 4b3982f..32c9224 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -13,11 +13,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # Crawl, walk, run, sprint
-        #os: ["macos-latest", "ubuntu-latest", "windows-latest"]
-        #python-version: ["3.7", "3.8", "3.9"]
-        os: ["ubuntu-latest"]
-        python-version: ["3.9"]
+        os: ["macos-latest", "ubuntu-latest", "windows-latest"]
+        python-version: ["3.7", "3.8", "3.9"]
     steps:
       - name: Checkout source
         uses: actions/checkout@v2
diff --git a/ci/environment-py3.10-win.yml b/ci/environment-py3.10-win.yml
new file mode 100644
index 0000000..bec5bf9
--- /dev/null
+++ b/ci/environment-py3.10-win.yml
@@ -0,0 +1,16 @@
+name: test-env-win
+channels:
+  - conda-forge
+dependencies:
+  - python=3.10
+  - pandas
+  - erddapy
+  - panel
+  - intake
+  - pytest
+  - pytest-cov
+  - isort
+  - flake8
+  - pre-commit
+  - types-setuptools
+  - mypy
diff --git a/ci/environment-py3.10.yml b/ci/environment-py3.10.yml
new file mode 100644
index 0000000..951ae93
--- /dev/null
+++ b/ci/environment-py3.10.yml
@@ -0,0 +1,16 @@
+name: test-env-mac-unix
+channels:
+  - conda-forge
+dependencies:
+  - python=3.10
+  - pandas
+  - erddapy
+  - panel
+  - intake
+  - pytest
+  - pytest-cov
+  - isort
+  - flake8
+  - pre-commit
+  - types-setuptools
+  - mypy
diff --git a/ci/environment-py3.8-win.yml b/ci/environment-py3.8-win.yml
new file mode 100644
index 0000000..04e5067
--- /dev/null
+++ b/ci/environment-py3.8-win.yml
@@ -0,0 +1,16 @@
+name: test-env-win
+channels:
+  - conda-forge
+dependencies:
+  - python=3.8
+  - pandas
+  - erddapy
+  - panel
+  - intake
+  - pytest
+  - pytest-cov
+  - isort
+  - flake8
+  - pre-commit
+  - types-setuptools
+  - mypy
diff --git a/ci/environment-py3.8.yml b/ci/environment-py3.8.yml
new file mode 100644
index 0000000..7a5ee08
--- /dev/null
+++ b/ci/environment-py3.8.yml
@@ -0,0 +1,16 @@
+name: test-env-mac-unix
+channels:
+  - conda-forge
+dependencies:
+  - python=3.8
+  - pandas
+  - erddapy
+  - panel
+  - intake
+  - pytest
+  - pytest-cov
+  - isort
+  - flake8
+  - pre-commit
+  - types-setuptools
+  - mypy
diff --git a/ci/environment-py3.9-win.yml b/ci/environment-py3.9-win.yml
new file mode 100644
index 0000000..e62c696
--- /dev/null
+++ b/ci/environment-py3.9-win.yml
@@ -0,0 +1,16 @@
+name: test-env-win
+channels:
+  - conda-forge
+dependencies:
+  - python=3.9
+  - pandas
+  - erddapy
+  - panel
+  - intake
+  - pytest
+  - pytest-cov
+  - isort
+  - flake8
+  - pre-commit
+  - types-setuptools
+  - mypy