LOUISVILLE CITY OF
PWSID: CO0107487 · Louisville, CO · Serves 20,975 people
According to EPA Safe Drinking Water Information System (SDWIS), LOUISVILLE CITY OF (PWSID CO0107487) in Louisville, CO is listed as a CWS water system covering about 20,975 people. The same extract lists 4 health-based violation records spanning 2021-2021. Those 4 health-based rows for LOUISVILLE CITY OF cover contaminants such as Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
LOUISVILLE CITY OF has 4 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule. Recorded violations span 2021–2021. Day-to-day primacy enforcement for this system runs through the Colorado drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Colorado state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CO0107487
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Louisville, CO
- Population Served
- 20,975
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 2 | 2 |
| Surface Water Treatment Rule | 2 | 2 |
Violation History (4)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | Dec 1, 2021 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Dec 1, 2021 |
| Surface Water Treatment Rule | Yes | Dec 1, 2021 |
| Surface Water Treatment Rule | Yes | Dec 1, 2021 |
Frequently Asked Questions
What does EPA SDWIS list for LOUISVILLE CITY OF?
How many people does LOUISVILLE CITY OF serve?
What violations does LOUISVILLE CITY OF have?
What contaminants have been found in LOUISVILLE CITY OF water?
Compare beyond Colorado
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest LOUISVILLE CITY OF on cumulative violation count (4) and EPA-reported population served (20,975). Violation-count peers include Santo Domingo Pueblo, Isleta Eastside, PARSHALL-LUCKY MOUND. Population peers include New Hope, EAST HEMPFIELD WATER AUTH, GALLIA CO RURAL WATER ASSOCIATION.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
LOUISVILLE CITY OF (CO0107487) is drawn from EPA SDWIS. Nearby county systems in this extract include BOULDER CITY OF; LONGMONT CITY OF; LAFAYETTE CITY OF; LEFT HAND WD. Health-based rows (4 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.