MASON CITY WATER DEPARTMENT
PWSID: IA1750048 · Mason City, IA · Serves 27,338 people
According to EPA Safe Drinking Water Information System (SDWIS), MASON CITY WATER DEPARTMENT (PWSID IA1750048) in Mason City, IA is listed as a CWS water system covering about 27,338 people. PlainEnviro's health-based extract shows zero health-based violation records for this system. PlainEnviro's extract shows zero health-based violation rows for MASON CITY WATER DEPARTMENT; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
MASON CITY WATER DEPARTMENT has no health-based violation records in PlainEnviro's EPA SDWIS extract. This does not establish current safety or compliance.
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. No contaminant code appears in the extract. 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)
- IA1750048
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mason City, IA
- Population Served
- 27,338
- Health Violations
- None
No Violations on Record
MASON CITY WATER DEPARTMENT has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
What does EPA SDWIS list for MASON CITY WATER DEPARTMENT?
How many people does MASON CITY WATER DEPARTMENT serve?
Compare beyond Iowa
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MASON CITY WATER DEPARTMENT on cumulative violation count (0) and EPA-reported population served (27,338). Population peers include VAN BUREN TOWNSHIP, CITY OF LAKE JACKSON, CSU MAIN AND WEST HOUSING CAMPUS.
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
MASON CITY WATER DEPARTMENT (IA1750048) is drawn from EPA SDWIS. Nearby county systems in this extract include CLEAR LAKE WATER DEPARTMENT; ROCKWELL WATER SUPPLY; VENTURA WATER WORKS; PLYMOUTH WATER SUPPLY. Health-based rows (none listed) 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.