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.

Herculaneum, MO Water Quality, EPA Sites & Air Quality Data

Environmental Reporti

Air Qualityi

40Good

Water Systemsi

Water Compliancei

Clean

TRI Facilitiesi

15.7M lbs reported

Active NPDESi

14/ 55 total

Air Quality — Jefferson County (2025)i

AQS

The Air Quality Index measures how clean or polluted the air is on a given day. AQI is reported at the county level. A score of 0–50 is considered good; 51–100 is moderate; above 100 may be unhealthy for sensitive groups.

Good

Median AQI

050100150200300

max 77

PM2.5 Daysi

Ozone Daysi

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 (1)

Historical Violations (Over 5 Years Ago)

HERCULANEUM PWS

3 violationsLatest: 2008-04-01

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

5.7M lbs

DOE RUN CO HERCULANEUM SMELTER881 MAIN ST5 chemicals|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

HERCULANEUM NISSAN1255 MCNUTT ROADConstruction Stormwater|EPA

AMVETS POST 42690 JOACHIM AVEConstruction Stormwater|EPA

PROVIDENCE PHASE TWOAUSTIN DRIVEConstruction Stormwater|EPA

HERCULANEUM HIGH SCHOOL1 BLACKCAT DRConstruction Stormwater|EPA

MCDONALD'S1188 HERCULANEUM XINGConstruction Stormwater|EPA

STONEWATERSTONE WATER DRIVEConstruction Stormwater|EPA

HERCULANEUM HIGH SCHOOL1 BLACKCAT DRConstruction Stormwater|EPA

LOVE'S TRAVEL STOP - HERCULANEUM1199 MCNUTT STConstruction Stormwater|EPA

KENSINGTON RIDGEMCNUTT SCHOOL RDConstruction Stormwater|EPA

LEXINGTON APARTMENTSLEXINGTON PLConstruction Stormwater|EPA

HERCULANEUM - LEAD SMELTER SITE881 MAIN STConstruction Stormwater|EPA

HERCULANEUM WWTPSCHOOL STREETBiosolids|EPA

HERKY1 MILE FROM I-55 AND HERCULANEUM SPURConstruction Stormwater|EPA

HERCULANEUM WWTPSCHOOL STREETBiosolids|EPA

Nearest Hazardous Waste Disposal Facilitiesi

RCRA

These are the closest licensed facilities where hazardous waste (chemicals, solvents, industrial byproducts) can be legally treated, stored, or disposed of.

RIVER CEMENT CO (DBA BUZZI UNICEM USA)FESTUS6.2 mi|EPA

Cleanup Sites (Brownfields)i

EPA Brownfields

Former industrial or commercial properties where contamination has been found. "Remedy Complete" means cleanup is finished. "Construction Complete" means cleanup infrastructure is built but monitoring continues. "In Progress" means the site is still being investigated or cleaned up.

HERCULANEUM - LEAD SMELTER SITE881 MAIN STIn Progress|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

DC Fast Portsi

EV Connect

GM - Sapaugh Chevrolet Buick GMC Cadillac1435 McNutt RoadElectric4 DCEV Connect