Public water system record
City of Peoria
Serves Peoria, Maricopa County, AZ · 187,676 people served
Federal records show 1 health-based violation and 112 monitoring/reporting issues for City of Peoria in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
Source water
Surface water
ZIP
85345
EPA system ID
AZ0407096
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 112
Key facts
- City of Peoria draws water from 27 wells and 1 surface water intake.
- Highest measured level in the last 10 years: Nitrate, 11 mg/L, federal limit 10 mg/L (1.1 times the limit), 2016.
- Most recent formal enforcement: compliance order (no penalty) by Arizona, October 2001.
- Record on file since 1979, with 12 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,544 unknown out of 67,926 service lines.
Check whether City of Peoria 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 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2016 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
CARBON, TOTAL
Monitoring and reporting
|
Mar 1, 2025 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Bromate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Nov 1, 2021 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2021 | Resolved |
|
Styrene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Toluene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Benzene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Nitrate
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Nitrate
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Nitrate
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
May 1, 2019 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Apr 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlordane
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
2,3,7,8-TCDD
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
Full record since 1979
EPA's records for City of Peoria go back to 1979. Before October 19, 2016 they list 12 health-based violations (5 resolved, 7 archived by EPA without a recorded fix) and 2,242 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 7 | 3 |
| 1990s | 0 | 1153 |
| 2000s | 4 | 1032 |
| 2010 to October 18, 2016 | 1 | 53 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 0 | 58 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began October 2016, Resolved.
Show all 12 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Oct 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
|
Jan 1, 2005 | Resolved |
|
Di(2-ethylhexyl) phthalate
Contaminant limit exceeded
Measured 0.038 mg/L, federal limit 0.006 mg/L (6.3 times the limit)
|
Jan 1, 2004 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1989 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 7, 1982 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 6, 1981 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Nov 6, 1980 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 9, 1980 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 5, 1980 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 5, 1980 | Archived |
Enforcement actions
Arizona regulators took 1 formal enforcement action against City of Peoria in 2001. The most recent was a compliance order (no penalty) in October 2001.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 15, 2001 | Arizona | Compliance order (no penalty) | 19 violations: Nitrate |
What the violations mean
Nitrate
1 incidentNitrate 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
City of Peoria draws water from 27 wells and 1 surface water intake. It also has emergency connections to Epcor - Sun City and Sunrise Water Company. 2 other public water systems have emergency connections to City of Peoria.
Emergency or part-time connections to
- Epcor - Sun City El Mirage, AZ
- Sunrise Water Company Peoria, AZ
Annual water quality report
City of Peoria 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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