County page
Johnston County
Johnston County currently shows 0 Superfund sites, 30 imported facility profiles, and 0 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Johnston County.
The latest loaded TRI year is 2024, with 0 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Facilities
Worst polluters and compliance pressure
Tishomingo, City of
Violation Identified across 11 of the last 12 quarters, with $10,312 in recorded penalties.
Ravia
Significant noncompliance across 8 of the last 12 quarters in the imported ECHO record.
Tishomingo Municipal Authority-tishomingo Wtp
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
Mill Creek Dolomite, Llc
No Violation Identified with $17,000 in recorded penalties.
Mill Creek, Town of
Violation Identified across 5 of the last 12 quarters in the imported ECHO record.
Johnston Co Rwd #3-cl2 Station R&s Well 2&6
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Mill Creek
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Wapanucka Public Works Auth.
Violation Identified across 4 of the last 12 quarters in the imported ECHO record.
Camp Simpson Bsa-cl2 Station Well 1
No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.
Wapanucka Oolitic Limestone Quarry
Under review across 2 of the last 12 quarters in the imported ECHO record.
Johnston Co Rws& Swmd #4
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Us Silica-chlorination Station For Well 1
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Mill Creek Dolomite / Mill Creek Quarry
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Mannsville Public Works Authority
No Violation Identified across 1 of the last 12 quarters in the imported ECHO record.
Martin Marietta Materials, Inc.- Mill Creek
No Violation Identified. Last recorded ECHO inspection: 2025-03-06.
Us Silica Company-mill Creek North Plant
No Violation Identified. Last recorded ECHO inspection: 2025-06-11.
Txi Operations Lp / Txi Mill Creek Crushed Stone Plant
No Violation Identified. Last recorded ECHO inspection: 2025-12-19.
Us Silica Co/mill Creek South Plt
No Violation Identified. Last recorded ECHO inspection: 2024-10-07.
Vulcan Construction Materials Llc / North Troy Quarry
No Violation Identified. Last recorded ECHO inspection: 2025-04-01.
Arbuckle Aggregates Llc / Mill Creek Quarry
No Violation Identified. Last recorded ECHO inspection: 2022-03-10.
| Chemical | Group | Facilities | Total pounds |
|---|
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in Oklahoma
Oklahoma facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in Oklahoma
Oklahoma facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in Oklahoma
Oklahoma facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.