# baytrends Water Quality Trend API

**Canonical:** https://apis.io/apis/tetra-tech/baytrends-water-quality-trend-api/  
**Provider:** Tetra Tech — https://apis.io/providers/tetra-tech/  
**Base URL:** https://github.com/tetratech/baytrends  
**Documentation:** https://github.com/tetratech/baytrends

baytrends Water Quality Trend API is one of 5 APIs that [Tetra Tech](https://apis.io/providers/tetra-tech/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Chesapeake Bay, Environmental, Open-Source, R Package, and Water Quality. The published artifact set on APIs.io includes API documentation.

baytrends is an open-source R package developed by Tetra Tech for evaluating long-term trends in Chesapeake Bay and similar water bodies using Generalized Additive Modeling (GAM). The package exposes functions as a programmatic API for water quality data ingestion, trend analysis, and visualization.

## Machine-readable artifacts (2)

- **Documentation** — https://github.com/tetratech/baytrends
- **GitHubOrg** — https://github.com/tetratech

## Other Tetra Tech APIs (4)

- [Cosmos Mobile Data Platform API](https://apis.io/apis/tetra-tech/cosmos-mobile-data-platform-api/)
- [Tetra Tech Data Discovery Tool API](https://apis.io/apis/tetra-tech/tetra-tech-data-discovery-tool-api/)
- [Tetra Tech Delta Data Management Services](https://apis.io/apis/tetra-tech/tetra-tech-delta-data-management-services/)
- [WaterNet Water Network Management API](https://apis.io/apis/tetra-tech/waternet-water-network-management-api/)

## Tags

Chesapeake Bay, Environmental, Open-Source, R Package, Water Quality

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/tetra-tech/baytrends-water-quality-trend-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/tetra-tech/.