Northumberland County, Virginia
SDWIS compliance plate
Sheet VA133 · Northumberland County 63 sys · 4,024 viol · #2380/3254
VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-MID · BOOK-MOST
- VIOL-SEVERE 93.7% flagged
- HEALTH-LOW 6.6% health
- RANK-LOWER #2380/3254
- PHOTO-FINISH ±0.1 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 100%
- SYS-MID 63 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Gloucester County (+ 0.1 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Northumberland County ranks #2,380 of 3,254 counties by people served, and #68 of 95 counties in Virginia. See methodology · corpus placement.
Northumberland County standing, mid-flagged corpus third
Flagged-system rate 93.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.6% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Northumberland County . Population served ranks #2,380 of 3,254 · #68 of 95 in Virginia.
Flagged-rate neighbourhood around Northumberland County
Lowest/highest poles plus in-state counties nearest Northumberland County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Virginia
Mid-flagged peers for Northumberland County
Cross-state counties nearest Northumberland County on flagged-system share (93.7%) and cumulative violation count (4,024). 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.