Public water system record
Bristow Muni Water Supply
Serves Bristow, Butler County, IA · 145 people served
Federal records show 7 health-based violations and no monitoring/reporting issues for Bristow Muni Water Supply 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
- 7
- Resolved
- 5
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- Bristow Muni Water Supply draws water from 1 well.
- Highest measured level in the last 10 years: Nitrate, 16.9 mg/L, federal limit 10 mg/L (1.7 times the limit), 2025.
- Most recent formal enforcement: signed compliance agreement by Iowa, January 2008.
- Record on file since 1985, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 83 service lines.
Check whether Bristow Muni Water Supply 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 11.8 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Aug 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 16.9 mg/L, federal limit 10 mg/L (1.7 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 11.1 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jul 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 10.6 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2018 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 15.1 mg/L, federal limit 10 mg/L (1.5 times the limit)
|
330 | Sep 1, 2018 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11.1 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | May 1, 2017 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Oct 1, 2016 | Resolved | Yes |
Full record since 1985
EPA's records for Bristow Muni Water Supply go back to 1985. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 3 | 10 |
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 2 | 4 |
| October 19, 2016 to 2019 | 3 | 0 |
| 2020s | 3 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began October 2016, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Oct 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 14.7 mg/L, federal limit 10 mg/L (1.5 times the limit)
|
Jul 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 1993 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1993 | Resolved |
Enforcement actions
Iowa regulators took 1 formal enforcement action against Bristow Muni Water Supply in 2008, filed as 2 records in EPA's data. The most recent was a signed compliance agreement in January 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 29, 2008 | Iowa | Signed compliance agreement | 2 violations: Haloacetic Acids (HAA5) |
What the violations mean
Nitrate
7 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
Bristow Muni Water Supply draws water from 1 well.
Annual water quality report
Bristow Muni Water Supply 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 Bristow Muni Water Supply 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 Iowa.
Certified drinking water labs by state EPA guidance for private wells