Franklin, OH
Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against other tracked counties rather than against these fixed caps.
Environmental data for Franklin in Ohio · Population: 1,321,635
TRI sites such as Amsted Rail Co Inc; Gfs Chemicals Inc; Hyperion Materials & Technologies - Worthington; SDWIS systems such as COLUMBUS PUBLIC WATER SYSTEM; REYNOLDSBURG CITY PWS; BEXLEY CITY PWS; NPL sites such as Air Force Plant 85 anchor Franklin, OH's EPA extract. Derived burden score 76/100 (High Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
Health-flagged SDWIS rows in Franklin include COLUMBUS PUBLIC WATER SYSTEM; MID-OHIO WSD - CHRISMAN AVENUE WTP; SANITARY DISTRICT #4, while Amsted Rail Co Inc leads reported TRI pounds among local Form R filers. AQS median AQI 53 / peak 118 in 2024.
Burden score 76/100 (High Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Franklin -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.
Release-over-release change
What changed for Franklin, OH: EPA TRI 2023 reporting year
Same facilities, both years
+5.4%
58 facilities that filed in 2022 and 2023
Whole inventory
+8.4%
743.9 thousand lb → 806.1 thousand lb, every facility that filed
Between the two reporting years, 1 facility filed for the first time and 0 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Franklin, OH's total reported releases rose from 743.9 thousand lb in 2022 to 784.2 thousand lb in 2023, based on EPA TRI filings.
- Franklin, OH's land releases fell from 25.0 thousand lb in 2022 to 2.1 thousand lb in 2023, based on EPA TRI filings.
- Franklin, OH's water releases fell from 122 lb in 2022 to 103 lb in 2023, based on EPA TRI filings.
- Franklin, OH's off-site transfers rose from 542.1 thousand lb in 2022 to 610.4 thousand lb in 2023, based on EPA TRI filings.
Air Quality History (2020–2024)
EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.
| Year | Good | Moderate | Unhealthy (SG) | Max AQI |
|---|---|---|---|---|
| 2024 | 151 (41%) | 211 | 4 | 118 |
| 2023 | 136 (37%) | 218 | 7 | 210 |
| 2022 | 206 (56%) | 157 | 2 | 143 |
| 2021 | 170 (47%) | 195 | 0 | 100 |
| 2020 | 232 (63%) | 132 | 2 | 102 |
Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)
For real-time air quality readings and pollutant breakdowns in Ohio, see the EPA's AirNow.gov.
Water Systems (38)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| COLUMBUS PUBLIC WATER SYSTEM | 1,305,946 | 3 |
| REYNOLDSBURG CITY PWS | 37,847 | 0 |
| BEXLEY CITY PWS | 14,250 | 0 |
| JEFFERSON WATER AND SEWER DISTRICT PWS | 11,294 | 0 |
| MID-OHIO WSD - CHRISMAN AVENUE WTP | 10,256 | 4 |
| SANITARY DISTRICT #4 | 8,575 | 1 |
| AQUA OHIO - LAWRENCE COUNTY | 8,130 | 3 |
| AQUA OHIO - BLACKLICK | 7,100 | 0 |
| AQUA OHIO - HUBER RIDGE PWS | 5,393 | 0 |
| MID-OHIO WSD - OLD SPRINGFIELD ROAD WTP | 5,176 | 0 |
| MID-OHIO WSD - JACKSON STREET WTP | 4,467 | 0 |
| AQUA OHIO - LAKE DARBY | 3,562 | 0 |
| GROVEPORT PWS | 3,229 | 0 |
| OBETZ VILLAGE PWS | 3,167 | 2 |
| AQUA OHIO - WORTHINGTON HILLS PWS | 2,500 | 0 |
| TIMBERLAKE WATER SYSTEM | 1,600 | 1 |
| OBETZ SATELLITE 6 PWS | 1,317 | 0 |
| OBETZ SATELLITE 2 PWS | 1,267 | 0 |
| AQUA OHIO - LAKE WHITE PWS | 1,229 | 0 |
| AQUA OHIO - TIMBERBROOK PW | 865 | 0 |
| AURORA ESTATES | 574 | 0 |
| GALLOWAY WATER SYSTEM PWS | 350 | 0 |
| FOXLAIR FARMS MHP INC. | 275 | 0 |
| LEONARD PARK PWS | 266 | 1 |
| ONTARIO PLACE | 248 | 0 |
| CHARDON ESTATES | 217 | 3 |
| PONDEROSA ESTATES MHP | 216 | 0 |
| OBETZ SATELLITE 1 PWS | 151 | 0 |
| MONTEREY CARE CENTER | 130 | 0 |
| MAPLE RIDGE MHC, LIMITED | 130 | 0 |
| WAGON WHEEL MOBILE HOME | 118 | 0 |
| RUSTIC ACRES PARK | 108 | 2 |
| COLONY VILLAGE MHP | 75 | 0 |
| COMMUNITY GARDENS MHP | 74 | 1 |
| JOHNSON MOBILE HOME PARK | 72 | 0 |
| VALLEY MOBILE HOMES | 71 | 0 |
| WATERFALL ESTATES MHP | 51 | 0 |
| MID-OHIO WSD - HIGH FREE PIKE WTP | 45 | 0 |
TRI Facilities (50)
Superfund Sites (1)
| Site Name | Status | HRS Score |
|---|---|---|
| Air Force Plant 85 | Proposed NPL Site | 50.00 |
Cities in Franklin (12)
Frequently Asked Questions
What is the environmental risk level in Franklin, Ohio? ▼
Are there Superfund sites in Franklin? ▼
How many toxic release facilities are in Franklin? ▼
What is the air quality in Franklin? ▼
Is the drinking water safe in Franklin? ▼
What environmental agencies cover Franklin? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.