Keweenaw County, Michigan
SDWIS compliance plate
Sheet MI083 · Keweenaw County 19 sys · 545 viol · #3006/3254
VIOL-SEVERE · HEALTH-MID · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 94.7% flagged
- HEALTH-MID 26.1% health
- RANK-BOTTOM #3006/3254
- PHOTO-FINISH ±0.3 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 74%
- SYS-SMALL 19 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Tuscola County (+ 0.3 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Keweenaw County ranks #3,006 of 3,254 counties by people served, and #83 of 83 counties in Michigan. See methodology · corpus placement.
Keweenaw County standing, mid-flagged corpus third
Flagged-system rate 94.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 26.1% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Keweenaw County . Population served ranks #3,006 of 3,254 · #83 of 83 in Michigan.
Flagged-rate neighbourhood around Keweenaw County
Lowest/highest poles plus in-state counties nearest Keweenaw County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Keweenaw Mountain Lodge | 485 | 34 | - |
| Isle Royale-Rock Harbor | 335 | 4 | - |
| Eagle Harbor Township | 300 | 44 | - |
| DNR - Fort Wilkins State Park | 225 | 19 | - |
| Grant Township - Copper Harbor | 200 | 43 | - |
| Mount Bohemia Ski Resort | 200 | 12 | - |
| Ahmeek | 148 | 47 | - |
| Houghton Township | 138 | 38 | - |
| Isle Royale - Windigo | 115 | 12 | - |
| Sunset Bay Campground | 100 | 26 | - |
| Trails End Campground | 100 | 11 | - |
| Cliffview Bar & Roadhouse | 75 | 19 | - |
| Isle Royale - Mott Island | 75 | 4 | - |
| Aqua Log Cabins - Black Bear Inc. | 44 | 12 | - |
| Sherman Township | 40 | 190 | - |
| Fresh Coast Cabins | 36 | 4 | - |
| Dockside Resort | 30 | 6 | - |
| Wilderness Resort LLC | 30 | 0 | - |
| Mdot - Esrey Park Wayside P138 | 25 | 20 | - |
Compare beyond Michigan
Mid-flagged peers for Keweenaw County
Cross-state counties nearest Keweenaw County on flagged-system share (94.7%) and cumulative violation count (545). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.