Contaminant 0400
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2026 (contaminant 0400).
PWSID CO0122675 · Purchased / wholesalePrivate
84 people served. 1 health-based SDWIS violation recorded in the past 5 years. 6 remain unresolved. Last cited this year.
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2026 (contaminant 0400).
Unresolved Revised Total Coliform Rule violation cited in 2025 (contaminant 8000).
Unresolved Surface Water Treatment Rule violation cited in 2025 (contaminant 0200).
Unresolved Revised Total Coliform Rule violation cited in 2025 (contaminant 8000).
Health-based violations exceed an MCL or treatment-technique standard. Monitoring violations are reporting failures with no measured exceedance — they tell you the system isn't fully transparent, not that the water is unsafe today.
Treatment technique violation
Monitoring failure
Failure to monitor as scheduled
Monitoring failure
Failure to monitor as scheduled
Failure to monitor as scheduled
Colorado Springs, Colorado (Census place; block-group disparity scores aggregated by centroid containment): a service population of 479,612. Local disparity score for pm2.5 (fine particulate) sits well below the reference (9). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 9 | well below the reference |
| Ozone | 108 | near the reference |
| Nitrogen dioxide (NO₂) | 72 | below the reference |
| Diesel particulate | 55 | below the reference |
| Toxic releases (RSEI) | 26 | well below the reference |
| Traffic proximity | 76 | below the reference |
| Lead-paint risk (pre-1960 housing) | 31 | well below the reference |
| Superfund site proximity | 0 | well below the reference |
| RMP-facility proximity | 63 | below the reference |
| Hazardous-waste site proximity | 51 | below the reference |
| Underground storage tanks | 67 | below the reference |
| NPDES wastewater proximity | 94 | near the reference |
| Drinking-water non-compliance | 1 | well below the reference |
Source: Census ACS 2018-2022 (5-year) + USEPA-clone EJ blockgroup stats (raw indicators + EJ disparity mirror).
Source. EPA Safe Drinking Water Information System · retrieved 2026-05-07. Reporting period 2025-01-01 → 2026-05-07.
What this is not. SDWIS records compliance against federal MCLs — not a direct readout of tap-water concentrations. Active health-based violations are not the same as a current crisis; we link to the EPA record so you can verify return-to-compliance status before forming a conclusion.