Black Hawk County, Iowa
SDWIS compliance plate
Sheet IA013 · Black Hawk County 19 sys · 824 viol · #399/3254
VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 94.7% flagged
- HEALTH-MID 20.9% health
- RANK-TOP #399/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-MID 25.0% detect
- SRC-GW GW lead 100%
- SYS-SMALL 19 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Winnebago County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Black Hawk County ranks #399 of 3,254 counties by people served, and #5 of 99 counties in Iowa. See methodology · corpus placement.
Black Hawk County standing, mid-flagged corpus third
Flagged-system rate 94.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 20.9% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #399 of 3,254 · #5 of 99 in Iowa.
Flagged-rate neighbourhood around Black Hawk County
Lowest/highest poles plus in-state counties nearest Black Hawk County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Waterloo Water Works | 69,504 | 67 | Detected |
| Cedar Falls Municipal Water Utilities | 40,713 | 25 | Clean |
| IA Regional Utilities Assoc (Waverly) | 37,820 | 8 | Clean |
| Evansdale Water Works | 4,561 | 29 | Clean |
| Hudson Water Supply | 2,546 | 25 | - |
| La Porte City Utilities | 2,284 | 51 | - |
| Elk Run Heights Water Supply | 1,069 | 23 | - |
| Dunkerton Muni Water Supply | 842 | 19 | - |
| Gilbertville Water Works | 794 | 57 | - |
| Cedar Falls Mobile Home Village | 388 | 28 | - |
| Lenwood Utilities | 238 | 108 | - |
| Pheasant Ridge Pro Shop | 155 | 46 | - |
| Kay Enterprises Inc | 62 | 208 | - |
| Farmstead Preschool | 50 | 18 | - |
| Gilbertville Depot | 40 | 0 | - |
| La Porte City Golf Club | 40 | 80 | - |
| Island Park Beach House | 40 | 10 | - |
| McFarlane Park | 40 | 7 | - |
| Barn Happy | 39 | 15 | - |
Compare beyond Iowa
Mid-flagged peers for Black Hawk County
Cross-state counties nearest Black Hawk County on flagged-system share (94.7%) and cumulative violation count (824). 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.