HOWARD WATERWORKS
PWS ID: WI4050468 · GREEN BAY, Wisconsin 54313
Population Served
21,133
Total Violations
86
Health-Based Violations
62
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 7,827
- County
- Brown
- School/Daycare
- No
- MCL Violations
- 56
- Monitoring Violations
- 12
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Gross Alpha, Excl. Radon and U | MCL | 27 | 2001 |
| Combined Radium (-226 and -228) | MCL | 26 | 2001 |
| Consumer Confidence Rule | Other | 6 | 2011 |
| Public Notice | Other | 4 | 2024 |
| Groundwater Rule | TT | 4 | 2023 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Arsenic | MCL | 3 | 2005 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Lead and Copper Rule | MR | 2 | 1992 |
| Radium-226 | MR | 2 | 1994 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1994 |
| Radium-228 | MR | 2 | 1994 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 240 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFOS | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NEtFOSAA | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 4/12/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFBS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 4/12/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFHpA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 4/12/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFOA | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 4/12/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 4/12/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFDoA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 4/12/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeS | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 4/12/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFPeS | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 4/12/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFHpS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 4/12/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 4/12/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 4/12/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFEESA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 4/12/2023 | <9 µg/L | 9 µg/L | Not Detected |
| 6:2 FTS | 4/12/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 4/12/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 4/12/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.