change labs.waterdata to api.water

[dblodgett-usgs]

Before making a pull request

• Make pull request title clear and descriptive
• Link(s) to issue describing bug fixed or need for change
• Make sure all tests run
• Update the changelog appropriately

Description

If no issue is linked, describe the changes made. Issues can
be linked explicitly
with a URL or through use of the issue number e.g. Closes #274 will link to
https://github.com/internetofwater/nldi-services/issues/274.

Note anything that you want the reviewers to know while reviewing your pull request.

After making a pull request

• If appropriate, put the link to the PR in the JIRA ticket
• Assign someone to review unless the change is trivial