PlainWater
Counties09

County 09109 County, 09

SDWIS compliance plate

Sheet 09109 · County 09109 County 2 sys · 35 viol · #3014/3254

VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · GAP-SOLO · PFAS-NONE · SRC-SW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 0.0% health
  • RANK-BOTTOM #3014/3254
  • GAP-SOLO No peers
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 50%
  • SYS-TINY 2 systems
  • BOOK-MOST 6/7 fields

According to EPA SDWIS county population served used on /counties, County 09109 County ranks #3,014 of 3,254 counties by people served, and #21 of 31 counties in 09. See methodology · corpus placement.

County 09109 County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 0.0% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for County 09109 County . Population served ranks #3,014 of 3,254 · #21 of 31 in 09.

Water Systems

System Name Population Violations PFAS
Tuolumne - Black Oak Casino 2,600 31 -
Tuolumne Me-Wuk Ridgeline 30 4 -

Compare beyond 09

Mid-flagged peers for County 09109 County

Cross-state counties nearest County 09109 County on flagged-system share (100.0%) and cumulative violation count (35). In-state neighbours stay on the compliance plate above.

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

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.