Clallam, WA
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 Clallam in Washington · Population: 77,593
TRI sites such as McKinley Paper Co. - Washington Mill; Pacific Aerospace & Electronics Inc SE; Westport LLC 50 Meter Facility; SDWIS systems such as PORT ANGELES CITY OF; SEQUIM CITY OF; Dry Creek Water Association; NPL sites such as Makah Reservation Warmhouse Beach Dump anchor Clallam, WA's EPA extract. Derived burden score 41/100 (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 Clallam include MAKAH NEAH BAY; VISTAS INC; FOUR SEASONS PARK, while McKinley Paper Co. - Washington Mill leads reported TRI pounds among local Form R filers. AQS median AQI 36 / peak 69 in 2024.
Burden score 41/100 (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 Clallam -- 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 Clallam, WA: EPA TRI 2023 reporting year
Same facilities, both years
+9.0%
3 facilities that filed in 2022 and 2023
Whole inventory
+9.0%
35.6 thousand lb → 38.9 thousand lb, every facility that filed
- Clallam, WA's total reported releases rose from 35.6 thousand lb in 2022 to 38.9 thousand lb in 2023, based on EPA TRI filings.
- Clallam, WA's water releases rose from 1.6 thousand lb in 2022 to 2.5 thousand lb in 2023, based on EPA TRI filings.
- Clallam, WA's air releases rose from 7.5 thousand lb in 2022 to 9.0 thousand lb in 2023, based on EPA TRI filings.
- Clallam, WA's off-site transfers rose from 26.6 thousand lb in 2022 to 27.4 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 | 321 (88%) | 45 | 0 | 69 |
| 2023 | 307 (84%) | 57 | 1 | 101 |
| 2022 | 272 (75%) | 91 | 2 | 124 |
| 2021 | 298 (82%) | 67 | 0 | 81 |
| 2020 | 304 (83%) | 55 | 1 | 368 |
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 Washington, see the EPA's AirNow.gov.
Water Systems (54)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| PORT ANGELES CITY OF | 28,067 | 0 |
| SEQUIM CITY OF | 14,293 | 0 |
| Dry Creek Water Association | 3,030 | 0 |
| WEST SEQUIM BAY INC | 2,759 | 0 |
| SUNLAND WATER DISTRICT | 2,235 | 0 |
| MAKAH NEAH BAY | 1,300 | 45 |
| ESTATES INC | 1,043 | 0 |
| Solmar Water | 895 | 0 |
| QUILEUTE WATER SYSTEM | 885 | 0 |
| MT. VISTA - DUNGENESS GOLF COURSE | 517 | 0 |
| LOWER ELWHA VALLEY | 511 | 0 |
| DUNGENESS MEADOWS | 488 | 0 |
| MONTERRA | 464 | 0 |
| DUNGENESS BAY PLAT | 461 | 0 |
| BLACK DIAMOND WATER DISTRICT | 452 | 0 |
| Parkwood MFD Housing Community | 378 | 0 |
| MAINS FARM PROPERTY OWNERS | 358 | 0 |
| SUN MEADOWS | 295 | 0 |
| VISTAS INC | 241 | 1 |
| FOUR SEASONS PARK | 225 | 1 |
| ELWHA HEIGHTS | 216 | 0 |
| DISCOVERY BAY VILLAGE | 191 | 0 |
| DUNGENESS BEACH | 181 | 0 |
| FLAURAS ACRES PROPERTYOWNER | 150 | 0 |
| OLYMPUS BEACH TRACTS | 143 | 0 |
| MAPLE GROVE | 132 | 0 |
| PLEASANT TIDES WATER CO OP | 131 | 0 |
| DISCOVERY BAY LEASEHOLDERS | 123 | 0 |
| WOODLAND HEIGHTS | 105 | 0 |
| JAMESTOWN ON WILCOX LANE | 94 | 0 |
| SAN JUAN VISTA | 94 | 0 |
| BAYWOOD VILLAGE MOBILE HOME PARK | 90 | 0 |
| HEART O THE HILLS | 76 | 0 |
| PANORAMA VISTA | 75 | 0 |
| GREEN ACRES MOBILE HOME PARK | 74 | 0 |
| CARLSBORG MOBILE ESTATES | 69 | 0 |
| LAKE PLEASANT MOBILE HOME & RV PARK | 66 | 1 |
| FOREST RIDGE | 65 | 0 |
| ELWHA PLACE HOMEOWNERS ASSN | 61 | 0 |
| LORA LEE ESTATES | 60 | 0 |
| WHISPERING PINES TR CT | 55 | 0 |
| MEADOWBROOK VILLAGE | 55 | 0 |
| DEYTONA | 50 | 0 |
| HAPPY VALLEY ESTATES | 46 | 0 |
| BEACH | 45 | 1 |
| BUENA VISTA ESTATES | 42 | 0 |
| CEDAR GROVE MOBILE PARK | 40 | 0 |
| ALDERWOOD EAST | 39 | 0 |
| OLYMPIC VIEW MOBILE PARK | 34 | 0 |
| OLYMPIC VIEW | 33 | 0 |
| BRANDT POINT | 32 | 0 |
| PALO VERDE | 30 | 0 |
| LOUELLA HEIGHTS | 28 | 0 |
| PETERSON-WHITTAKER | 26 | 0 |
TRI Facilities (5)
| # | Facility | Total Releases |
|---|---|---|
| 1 | McKinley Paper Co. - Washington Mill | 118.2K lbs |
| 2 | Pacific Aerospace & Electronics Inc SE | 41.5K lbs |
| 3 | Westport LLC 50 Meter Facility | 6.1K lbs |
| 4 | Interfor US - Port Angeles | 198 lbs |
| 5 | Tesoro Port Angeles Terminal | 124 lbs |
Superfund Sites (1)
| Site Name | Status | HRS Score |
|---|---|---|
| Makah Reservation Warmhouse Beach Dump | NPL Site | 50.00 |
Cities in Clallam (6)
Frequently Asked Questions
What is the environmental risk level in Clallam, Washington? ▼
Are there Superfund sites in Clallam? ▼
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Is the drinking water safe in Clallam? ▼
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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.