Public water system record
Grandview Water Company
Serves an area of Maricopa County, AZ · 50 people served
Federal records show 8 health-based violations and 22 monitoring/reporting issues for Grandview Water Company in the last ten years. The most serious issue in this window was a Nitrate violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 8
- Resolved
- 1
- Unresolved
- 0
- Archived by EPA
- 7
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 22
Key facts
- Grandview Water Company draws water from 1 well.
- Highest measured level in the last 10 years: Nitrate, 15 mg/L, federal limit 10 mg/L (1.5 times the limit), 2025.
- Most recent formal enforcement: compliance order (no penalty) by Arizona, May 2025.
- Record on file since 1979, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 22 unknown out of 22 service lines.
Check whether Grandview Water Company serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Nitrate
Contaminant limit exceeded
Measured 13.8 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Nitrate
Contaminant limit exceeded
Measured 15 mg/L, federal limit 10 mg/L (1.5 times the limit)
|
330 | Jan 1, 2025 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Nov 21, 2025 | Resolved |
|
Public Notice
OTHER
|
Sep 8, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2025 | Resolved |
|
Public Notice
OTHER
|
May 10, 2025 | Resolved |
|
Public Notice
OTHER
|
Mar 16, 2025 | Resolved |
|
Public Notice
OTHER
|
Dec 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2024 | Resolved |
|
Nitrate
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 1, 2024 | Active |
|
Nitrate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Aug 13, 2021 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 15, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1979
EPA's records for Grandview Water Company go back to 1979. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 97 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1980s | 2 | 8 |
| 1990s | 0 | 41 |
| 2000s | 1 | 32 |
| 2010 to October 18, 2016 | 0 | 14 |
| 2020s | 8 | 19 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 2006, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2006 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Oct 1, 1988 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Feb 8, 1982 | Archived |
Enforcement actions
Arizona regulators took 1 formal enforcement action against Grandview Water Company in 2025. The most recent was a compliance order (no penalty) in May 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 16, 2025 | Arizona | Compliance order (no penalty) | 9 violations (7 health-based): Nitrate |
What the violations mean
Nitrate
8 incidentsNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
Grandview Water Company draws water from 1 well.
Annual water quality report
Grandview Water Company must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Grandview Water Company for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.
Certified drinking water labs by state EPA guidance for private wells