Cumberland County, Maine
SDWIS compliance plate
Sheet ME005 · Cumberland County 224 sys · 17,731 viol · #311/3254
VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-LARGE · BOOK-FULL
- VIOL-SEVERE 92.4% flagged
- HEALTH-LOW 11.6% health
- RANK-TOP #311/3254
- PHOTO-FINISH ±0.8 pp
- PFAS-MID 33.3% detect
- SRC-GW GW lead 98%
- SYS-LARGE 224 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: York County ( -0.8 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Cumberland County ranks #311 of 3,254 counties by people served, and #1 of 16 counties in Maine. See methodology · corpus placement.
Cumberland County standing, lower-flagged corpus third
Flagged-system rate 92.4% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 11.6% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #311 of 3,254 · #1 of 16 in Maine.
Flagged-rate neighbourhood around Cumberland County
Lowest/highest poles plus in-state counties nearest Cumberland County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Maine
Lower-flagged peers for Cumberland County
Cross-state counties nearest Cumberland County on flagged-system share (92.4%) and cumulative violation count (17,731). 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.