Delaware, OK
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.
Environmental data for Delaware in Oklahoma · Population: 41,017
TRI sites such as Pride Plating Inc; Jacobs Manufacturing Corp; SDWIS systems such as GROVE MUNICIPAL SERVICES AUTH.; JAY; SOUTH DELAWARE CO REGIONAL WATER AUTH. anchor Delaware, OK's EPA extract. Derived burden score 31/100 (Moderate 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 Delaware include GROVE MUNICIPAL SERVICES AUTH.; JAY; SOUTH DELAWARE CO REGIONAL WATER AUTH., while Pride Plating Inc leads reported TRI pounds among local Form R filers. No AQS county monitors report here.
Burden score 31/100 (Moderate 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 Delaware -- 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 Delaware, OK: EPA TRI 2023 reporting year
Same facilities, both years
+42.2%
1 facilities that filed in 2022 and 2023
Whole inventory
+42.2%
14.5 thousand lb → 20.7 thousand lb, every facility that filed
- Delaware, OK's total reported releases rose from 14.5 thousand lb in 2022 to 20.7 thousand lb in 2023, based on EPA TRI filings.
- Delaware, OK's off-site transfers rose from 14.3 thousand lb in 2022 to 20.4 thousand lb in 2023, based on EPA TRI filings.
Water Systems (23)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| GROVE MUNICIPAL SERVICES AUTH. | 7,311 | 7 |
| JAY | 2,482 | 2 |
| SOUTH DELAWARE CO REGIONAL WATER AUTH. | 1,500 | 9 |
| AFTON PWA | 1,428 | 26 |
| DELAWARE CO RWD #10 | 1,295 | 0 |
| WEST SILOAM SPRINGS | 877 | 2 |
| COLCORD PWA | 819 | 3 |
| KANSAS PUBLIC WORKS AUTHORITY | 802 | 2 |
| DELAWARE CO RWD # 12 | 785 | 2 |
| DELAWARE CO RWD # 3 | 653 | 53 |
| BERNICE PWA | 504 | 14 |
| DELAWARE CO RWD # 1 | 465 | 1 |
| DELAWARE CO RWD # 7 | 400 | 27 |
| LAKEWOOD VILLAGE | 293 | 1 |
| CARRIAGE HILLS | 160 | 1 |
| HICKORY MEADOWS | 157 | 2 |
| LEISURE SHORES WATER SYSTEM ASSN, INC | 150 | 3 |
| HOLIDAY SHORES PROP ASSN | 136 | 12 |
| COVES AT BIRD ISLAND | 100 | 12 |
| CAAIR | 100 | 1 |
| OAK RIDGE ESTATES I & II WATER ASSOC. | 62 | 6 |
| NEW LIFE RANCH, FLINT VALLEY | 35 | 1 |
| ADAIR CO RWS & SWMD #6 | 27 | 1 |
TRI Facilities (2)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Pride Plating Inc | 75.6K lbs |
| 2 | Jacobs Manufacturing Corp | 7.4K lbs |
Cities in Delaware (8)
Frequently Asked Questions
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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.