> For the complete documentation index, see [llms.txt](https://doc.duaer.com/zh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/zh/getting-started/epa-facilities.md).

# 在 Duaer 里查EPA 企业环保合规

在 Duaer 里：美国环保署 ECHO：受监管设施的合规状态、重大违规与检查记录。一次成功查询用 1 额度。
## 能拿到什么

Duaer 数据市场里的「EPA 企业环保合规」：美国环保署 ECHO：受监管设施的合规状态、重大违规与检查记录。查到结果时用 1 额度，结果交给数字组织的下一个节点。

从节点创建器选 Duaer 数据 → EPA 企业环保合规，或打开 [数据市场](/zh/getting-started/data-market.md)。相关：[美国联邦法规文件](/zh/getting-started/regulations.md)、[温室气体浓度](/zh/getting-started/greenhouse-gases.md)。

## 适合做什么

- 列出某城市有重大违规的设施。
- 查看某炼油厂的合规记录。

## 在画布里检索

1. 打开节点创建器，选 Duaer 数据 → EPA facility compliance。
2. 填 State（如 CA）；City（如 Oakland）、ZIP、Facility Name 可选。
3. Limit 默认 10，最大 20。执行。

查到结果才扣 1 额度；没有结果、输入有误或上游失败都不扣。

## 用 API 调用

- GET https://api.duaer.com/v1/data/epa-facilities?state=CA&city=Oakland
- Authorization: Bearer <Duaer key>

下方是与数据市场「复制技能」相同的英文技能，含参数、示例与返回字段。

## 调用技能（英文）

与数据市场「复制技能」一致。

```
---
name: duaer-epa-facilities
description: >-
  Duaer EPA facility compliance. US EPA ECHO: regulated facilities with compliance status, significant violations, and inspections.
  One successful search uses 1 Duaer credit.
---

# Duaer EPA facility compliance

Duaer EPA facility compliance searches active facilities in EPA ECHO by state, city, ZIP, or name, most violations first.

## When to use

- List facilities with significant violations in a city.
- Check the compliance record of a refinery.

## When not to use

- Air quality and weather. Use https://skills.duaer.com/weather.md.
- Federal rules. Use https://skills.duaer.com/regulations.md.

## Call

`GET https://api.duaer.com/v1/data/epa-facilities?state=CA&city=Oakland`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `state` or `zip`.

- `state` — Two-letter code such as CA.
- `city` — Optional. City name such as Oakland.
- `zip` — Optional. Five-digit ZIP code instead of or with the state.
- `name` — Optional. Words in the facility name.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

## Examples

- `GET https://api.duaer.com/v1/data/epa-facilities?state=CA&city=Oakland` — Oakland facilities, most violations first.
- `GET https://api.duaer.com/v1/data/epa-facilities?state=TX&name=refinery` — Texas refineries.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `registryId`, `name`, `street`, `city`, `state`, `zip` — facility.
- `complianceStatus`, `significantViolation` — current status.
- `quartersInNonCompliance`, `inspections`, `lastInspection` — record over three years.
- `programs`, `latitude`, `longitude` — EPA programs and location.

A broad state search can take several seconds.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/regulations.md — Duaer Regulations.gov documents
- https://skills.duaer.com/greenhouse-gases.md — Duaer Greenhouse gas levels

```
## Questions

### Duaer 的EPA 企业环保合规检索扣多少额度？

查到结果时扣 1 额度；没有结果或出错不扣。

### Duaer EPA 企业环保合规的“重大违规”是什么意思？

是 EPA 认定的高优先级违规，通常涉及较大排放或长期不合规。

## 相关

- [在 Duaer 里查美国联邦法规文件](https://doc.duaer.com/zh/getting-started/regulations.md)
- [在 Duaer 里查温室气体浓度](https://doc.duaer.com/zh/getting-started/greenhouse-gases.md)