Public water system · IN5252011
ActivePeru Utilities/Grissom
At a glance
Peru Utilities/Grissom (PWSID IN5252011) is an active community water system in Miami County, Indiana. It reports serving 2,500 people through 1,060 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,500
Service connections
1,060
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Peru Utilities/Grissom compare with other water systems in Miami County?
By EPA's size categories, Peru Utilities/Grissom is a small system (501 to 3,300 people). Miami County has 68 active public water systems, and Peru Utilities/Grissom is the 2nd-largest of them by population served. Its population served is about 6.4 times the county average of 389 people per system, and accounts for 9.5% of the 26,424 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Peru Utilities/Grissom is about 63% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.
Who owns and regulates Peru Utilities/Grissom?
EPA lists Peru Utilities/Grissom as owned by a state government. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 68 active systems in Miami County (4.4%) are also owned by a state government.
Does Peru Utilities/Grissom have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2009. The violations listed here began between October 1979 and November 2009. By type: 7 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 8 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2009-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2001-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2001-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Peru Utilities/Grissom: frequently asked questions
Who runs Peru Utilities/Grissom?
Peru Utilities/Grissom (PWSID IN5252011) is a community water system owned by a state government. It is regulated by the IN state drinking water program.
How many people does Peru Utilities/Grissom serve?
Peru Utilities/Grissom reports serving 2,500 people through 1,060 service connections in Miami County, Indiana.
Where does Peru Utilities/Grissom get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Peru Utilities/Grissom have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2009. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Peru Utilities/Grissom's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Peru Utilities/Grissom's water quality report?
As a community water system, Peru Utilities/Grissom must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Miami County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Peru Water Department | Miami | 11,417 | Community | Groundwater |
| Maconaquah School Corporation | Miami | 2,100 | Non-transient non-community | Groundwater |
| Converse Water Works | Miami | 1,265 | Community | Groundwater |
| Mississinewa Lake - Miami Campground | Miami | 1,000 | Transient non-community | Groundwater |
| Bunker Hill Water Works | Miami | 900 | Community | Groundwater |
| Mcclure Oil Corporation-Store #9 | Miami | 620 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Peru Utilities/Grissom, PWSID IN5252011, Indiana”, https://aquacensus.com/water-systems/indiana/peru-utilities-grissom-in5252011 (data as of October 1, 2026).