GREGORY
PWSID: SD4600145 · Gregory, SD · Serves 1,221 people
According to EPA Safe Drinking Water Information System (SDWIS), GREGORY (PWSID SD4600145) in Gregory, SD is listed as a CWS water system covering about 1,221 people. The same extract lists 3 health-based violation records spanning 2004-2019. Those 3 health-based rows for GREGORY cover contaminants such as Groundwater Rule, Stage 1 Disinfectants and Disinfection Byproducts Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
GREGORY has 3 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 Groundwater Rule, Stage 1 Disinfectants and Disinfection Byproducts Rule. Recorded violations span 2004–2019. Day-to-day primacy enforcement for this system runs through the South Dakota 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 South Dakota state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- SD4600145
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Gregory, SD
- Population Served
- 1,221
- Health Violations
- Yes (3)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 2 | 2 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 1 | 1 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Jan 3, 2019 |
| Groundwater Rule | Yes | Jan 3, 2019 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Jan 1, 2004 |
Frequently Asked Questions
What does EPA SDWIS list for GREGORY?
How many people does GREGORY serve?
What violations does GREGORY have?
What contaminants have been found in GREGORY water?
Compare beyond South Dakota
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest GREGORY on cumulative violation count (3) and EPA-reported population served (1,221). Violation-count peers include Mohegan Tribal Utility Authority, RED CLIFF NORTH, Tesuque Pueblo. Population peers include STARLIGHT RANCH MOBILE HOME ESTATES, TOWN OF WISNER WATER SYSTEM, DIXON PWS.
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
GREGORY (SD4600145) is drawn from EPA SDWIS. Nearby county systems in this extract include BURKE; BONESTEEL. Health-based rows (3 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.