WaterSystemViolationPulse: 500+
140 waterSystemViolationPulse: 500+ are listed from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO, dated 2026-05-02 to 2026-08-07; the most frequent is Hopi High School - Bia with 14. Data last updated 2026-11-04; each record links to its official source and a full report.
Data as of · Compiled by Zalwin from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO
Includes: Water system, State, Contaminant / rule, Population, Status, Began, official source URL and score · Card, Apple Pay, Google Pay or Link via Stripe
140 records from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO, dated 2026-05-02 to 2026-08-07. Most frequent: Hopi High School - Bia (14). Each record links to a full report and the official source.
Last updated 2026-11-04. Source: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO.
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- Hopi High School - Bia (14)
- Deming Municipal Water System (7)
- Town Of Kentwood Water System (7)
- United Water System (6)
- Hawley Lake Homes (5)
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What are the top waterSystemViolationPulse: 500+ right now?
| Record | State | Contaminant / rule | Population |
|---|---|---|---|
| Cohasset Water Dept | MA | TTHM | 7555 |
| Scituate Water Division | MA | TTHM | 19297 |
| Franklin County Water & Sewer | NC | Total Haloacetic Acids (HAA5) | 26060 |
| Carolina Trace Water System | NC | TTHM | 4516 |
| Usmc Lejeune--Hadnot Point | NC | TTHM | 37500 |
| City Of Pontchatoula Water System | LA | Groundwater Rule | 6657 |
| City Of Pontchatoula Water System | LA | Groundwater Rule | 6657 |
| City Of Pontchatoula Water System | LA | Groundwater Rule | 6657 |
| Odrc-Pickaway Correction Pws | OH | Stage 1 Disinfectants and Disinfection Byproducts Rule | 3376 |
| Valley Falls Psd | WV | Long Term 2 Enhanced Surface Water Treatment Rule | 4042 |
| United Water System | LA | Groundwater Rule | 4446 |
| United Water System | LA | Groundwater Rule | 4446 |
| United Water System | LA | Groundwater Rule | 4446 |
| United Water System | LA | Groundwater Rule | 4446 |
| United Water System | LA | Groundwater Rule | 4446 |
| United Water System | 🔒 Unlock all 140 records → | ||
| Duquesne Water Dept | 🔒 Unlock all 140 records → | ||
| Colyell Community Water | 🔒 Unlock all 140 records → | ||
Browse 35 more matching record reports
- United Water System
- Duquesne Water Dept
- Colyell Community Water
- Polacca
- Polacca
- Polacca
- Polacca
- Spring Valley Water Authority
- Preston City Of
- Tangipahoa Parish Water District
- Tangipahoa Parish Water District
- Tangipahoa Parish Water District
- Tangipahoa Parish Water District
- Pinehill Waterworks District
- Deming Municipal Water System
- Deming Municipal Water System
- Deming Municipal Water System
- Deming Municipal Water System
- Raccoon Creek State Park
- Raccoon Creek State Park
- Walsenburg City Of
- Rutherford College Town Of
- Ashley Hills North S/D
- Ashley Hills North S/D
- Maple Hill Water District
- Rockbridge S/D
- Rockbridge S/D
- Rockbridge S/D
- Southwest Warren Co Mun Auth
- Dogwood Springs WSC Plant 1
- City Of Nome
- Knightstown Water Utility
- Knightstown Water Utility
- Van Bibber Lake Conservancy District
- Sunlit Hills Water System
More records in this hub: page 2
Browse all WaterSystemViolationPulse record reports
Which related categories and locations should I check?
Browse by rule group
Microbial (coliform, E. coli, treatment technique) (410) Chemicals (inorganic, organic, radionuclides) (30) Disinfectants and disinfection byproducts (17)
Browse by system type
Transient non-community (campgrounds, restaurants) (262) Community water system (172) Non-transient non-community (schools, plants) (25)
Browse by state
Indiana (59) Pennsylvania (48) Arizona (35) Louisiana (30) Michigan (28) Colorado (25) North Carolina (23) Idaho (19) Alaska (17) Connecticut (17) New Mexico (16) Illinois (13) Montana (11) Missouri (10) New York (10) Ohio (10) Texas (10) Wisconsin (10) Washington (8) Vermont (7) Massachusetts (6) New Jersey (6) Oregon (6) West Virginia (6) Utah (5) Wyoming (4) Minnesota (3) New Hampshire (3) Oklahoma (3) Virginia (3)
Frequently asked questions
How many waterSystemViolationPulse: 500+ are listed?
140 records from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO, last refreshed automatically. The most recent is dated 2026-08-07.
Can I get alerts for 500+?
Yes. WaterSystemViolationPulse can email you new records matching this filter; plans are listed on the WaterSystemViolationPulse page.
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO. Informational only. RSS feed of new records