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County profile · EPA SDWIS + UCMR5

Red Lake County, Minnesota

12 SDWIS-listed public water systems serve 2,395 people in Red Lake County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

12
SDWIS water systems Middle third of counties
145
Total violations Lower third of counties
41.7%
SDWIS systems w/ a violation Lower third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet MN125 · Red Lake County 12 sys · 145 viol · #3033/3254

VIOL-HIGH · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST

  • VIOL-HIGH 41.7% flagged
  • HEALTH-LOW 4.8% health
  • RANK-BOTTOM #3033/3254
  • PHOTO-FINISH ±0.5 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-SMALL 12 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Aitkin County ( -0.5 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Red Lake County ranks #3,033 of 3,254 counties by people served, and #87 of 87 counties in Minnesota. See methodology · corpus placement.

Red Lake County standing, lower-flagged corpus third

Flagged-system rate 41.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.8% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Red Lake County . Population served ranks #3,033 of 3,254 · #87 of 87 in Minnesota.

Flagged-rate neighbourhood around Red Lake County

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

0% 20% 40% 60% 80% 100% Mahnomen · lowest Beltrami · near Red Lake · this county Watonwan · highest 22.2% 40.8% 41% 41.1% 41.7% 42.9% 100%

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

Water Systems

Compare beyond Minnesota

Lower-flagged peers for Red Lake County

Cross-state counties nearest Red Lake County on flagged-system share (41.7%) and cumulative violation count (145). 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.