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County profile · EPA SDWIS + UCMR5

Hamilton County, Florida

17 SDWIS-listed public water systems serve 9,009 people in Hamilton County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

17
SDWIS water systems Middle third of counties
795
Total violations Middle third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
0.0%
UCMR5 PFAS rate (1 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet FL047 · Hamilton County 17 sys · 795 viol · #2438/3254

VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 28.1% health
  • RANK-LOWER #2438/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 17 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Broward County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Hamilton County ranks #2,438 of 3,254 counties by people served, and #58 of 67 counties in Florida. See methodology · corpus placement.

Hamilton 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 28.1% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,438 of 3,254 · #58 of 67 in Florida.

Flagged-rate neighbourhood around Hamilton County

Lowest/highest poles plus in-state counties nearest Hamilton County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Dixie · lowest Monroe · highest Pinellas · near St. Lucie · near 66.7% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

Compare beyond Florida

Mid-flagged peers for Hamilton County

Cross-state counties nearest Hamilton County on flagged-system share (100.0%) and cumulative violation count (795). 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.

4 peers

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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.