GRINNELL WATER DEPARTMENT
PWSID: IA7930008 · Grinnell, IA · Serves 9,564 people
According to EPA Safe Drinking Water Information System (SDWIS), GRINNELL WATER DEPARTMENT (PWSID IA7930008) in Grinnell, IA is listed as a CWS water system covering about 9,564 people. The same extract lists 35 health-based violation records spanning 2024-2025. Those 35 health-based rows for GRINNELL WATER DEPARTMENT cover contaminants such as Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U; they remain historical EPA registry entries, not a current compliance or drinkability score.
GRINNELL WATER DEPARTMENT has 35 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 Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U. Recorded violations span 2024–2025. Day-to-day primacy enforcement for this system runs through the Iowa 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 Iowa state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- IA7930008
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Grinnell, IA
- Population Served
- 9,564
- Health Violations
- Yes (35)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Radium (-226 and -228) | 20 | 20 |
| Gross Alpha, Excl. Radon and U | 15 | 15 |
Violation History (35)
Frequently Asked Questions
What does EPA SDWIS list for GRINNELL WATER DEPARTMENT?
How many people does GRINNELL WATER DEPARTMENT serve?
What violations does GRINNELL WATER DEPARTMENT have?
What contaminants have been found in GRINNELL WATER DEPARTMENT water?
Compare beyond Iowa
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest GRINNELL WATER DEPARTMENT on cumulative violation count (35) and EPA-reported population served (9,564). Violation-count peers include Hopi High School - BIA, QUINHAGAK WATER SYSTEM, DEER WATER ASSOCIATION. Population peers include MILES CITY CITY OF, TROUTMAN, TOWN OF, FLORENCE, CITY OF.
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
GRINNELL WATER DEPARTMENT (IA7930008) is drawn from EPA SDWIS. Nearby county systems in this extract include PONDEROSA UTILITIES INC.; MONTEZUMA MUNI WATER SUPPLY; BROOKLYN WATER DEPARTMENT; LAKE RIDGE, INCORPORATED. Health-based rows (35 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.