What environmental databases are included?

This page aggregates data from eight EPA databases: Safe Drinking Water (SDWIS), Superfund/NPL sites, Toxic Release Inventory (TRI), Air Quality Index (AQI), Leaking Underground Storage Tanks (LUST), NPDES water discharge permits, RCRA hazardous waste, and Brownfields.

What does the Air Quality Index (AQI) mean?

AQI is measured on a scale from 0 to 500. Values under 50 are 'Good,' 51-100 is 'Moderate,' and above 100 is 'Unhealthy for Sensitive Groups.' AQI is measured at the county level since air quality monitoring stations are sparse. Your town shares its county's AQI reading.

What is a Superfund site?

A Superfund site is a location contaminated by hazardous waste that has been placed on the EPA's National Priorities List (NPL) for long-term cleanup. These sites pose serious risks to human health and the environment. Cleanup can take decades and cost hundreds of millions of dollars.

Rancho Santa Margarita, CA Water Quality, EPA Sites & Air Quality Data

CSALos Angeles-Long Beach MSALos Angeles-Long Beach-Anaheim#20/122 Income

Environmental Reporti

Water Systemsi

4community / 5 total

Water Violationsi

TRI Facilitiesi

469.6K lbs reported

Active NPDESi

1/ 13 total

Drinking Wateri

SDWIS

Public water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Transient systems serve places like gas stations or restaurants. Violations indicate a system failed to meet federal drinking water standards.

Community Systemsi

Active Systemsi

Recent Violationsi

Community (4)

Non-Transient (1)

Recent Violations (Last 5 Years)

SANTA MARGARITA WATER DISTRICT-ID9

2 violationsLatest: 2022-10-01

EPA

Historical Violations (Over 5 Years Ago)

RANCHO MISSION VIEJO

8 violationsLatest: 2019-05-03

EPA

SMWD - SJ GROUND WATER PLANT

1 violationLatest: 2018-01-01

EPA

Toxic Release Inventory (TRI)i

TRI

Factories, refineries, and other industrial facilities that use or store hazardous chemicals are required to report their releases annually to the EPA. Being listed here does not mean a violation occurred — it means the facility is transparently tracking its chemical usage.

Reporting Facilitiesi

With Chemical Datai

Total Reported Releasesi

69.6K lbs

CONTROL COMPONENTS INC22591 AVENIDA EMPRESA2 chemicals|TRI

APPLIED MEDICAL RESOURCES CORP23061 ARROYO VIS2 chemicals|TRI

APPLIED MEDICAL RESOURCES CORP30152 AVENTURA2 chemicals|TRI

VIKING INTERWORKS INC30200 AVENIDA DE LAS BANDERAS1 chemical|TRI

Wastewater & Stormwater Permits (NPDES)i

NPDES

Under the Clean Water Act, any facility that discharges wastewater or stormwater into rivers, lakes, or streams must hold an NPDES permit. "Effective" means the permit is currently active and the facility is authorized to discharge under its permit conditions.

Active Permitsi

Expired / Terminatedi

APPLIED MEDICAL RESOURCES22822 AVENIDA EMPRESAIndustrial Stormwater|EPA

EV Charging & Alternative Fuel Stationsi

AFDC

Publicly listed alternative fuel and EV charging stations within the municipality. Data from the U.S. Department of Energy. "Open" stations are currently available for use; "Planned" stations are approved but not yet operational.

Total Stationsi

EV Stationsi

Level 2 Portsi

DC Fast Portsi

ChargePoint NetworkElectrify AmericaLOOPeVgo Network

Avila Rancho Santa Margarita Apartments22751 El PradoElectric7 L2LOOP

Plaza Antonio22351 Antonio PkwyElectric8 DCeVgo Network

SDC TECH SDC 0122591 Avenida EmpresaElectric2 L2ChargePoint Network

Target T0914 (Rancho Santa Margarita, CA)30602 Santa Margarita ParkwayElectric1 L2 + 3 DCElectrify America