County profile · EPA SDWIS + UCMR5
Grundy County, Iowa
8 SDWIS-listed public water systems serve 8,205 people in Grundy County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 8
- SDWIS water systems Smaller third of counties
- 332
- Total violations Lower third of counties
- 100.0%
- SDWIS systems w/ a violation Middle third of counties
- -
- UCMR5 PFAS (none tested) No UCMR5 tests
SDWIS compliance plate
Sheet IA075 · Grundy County 8 sys · 332 viol · #2500/3254
VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 34.3% health
- RANK-LOWER #2500/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 100%
- SYS-TINY 8 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Pottawattamie County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Grundy County ranks #2,500 of 3,254 counties by people served, and #71 of 99 counties in Iowa. See methodology · corpus placement.
Grundy 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 34.3% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Grundy County . Population served ranks #2,500 of 3,254 · #71 of 99 in Iowa.
Flagged-rate neighbourhood around Grundy County
Lowest/highest poles plus in-state counties nearest Grundy County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Grundy Center Water Supply | 2,796 | 12 | - |
| Reinbeck Water Supply | 1,662 | 42 | - |
| Dike Water Supply | 1,306 | 19 | - |
| Conrad Water Supply | 1,098 | 31 | - |
| Wellsburg Water Supply | 721 | 122 | - |
| Holland Water Supply | 270 | 8 | - |
| Stout Water Supply | 191 | 64 | - |
| Beaman Water Supply | 161 | 34 | - |
Compare beyond Iowa
Mid-flagged peers for Grundy County
Cross-state counties nearest Grundy County on flagged-system share (100.0%) and cumulative violation count (332). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.