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# WaterSystemViolationPulse: browse by category

**WaterSystemViolationPulse lists 459 public records from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO, dated 2026-05-02 to 2026-08-18, browsable by category and location; every record links to its official source.**

Category and location pages built from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO records.

### Browse by rule group

[Microbial (coliform, E. coli, treatment technique) (410)](/hub/watersystemviolationpulse/rule/100) [Chemicals (inorganic, organic, radionuclides) (30)](/hub/watersystemviolationpulse/rule/300) [Disinfectants and disinfection byproducts (17)](/hub/watersystemviolationpulse/rule/200)

### Browse by system type

[Transient non-community (campgrounds, restaurants) (262)](/hub/watersystemviolationpulse/type/tncws) [Community water system (172)](/hub/watersystemviolationpulse/type/cws) [Non-transient non-community (schools, plants) (25)](/hub/watersystemviolationpulse/type/ntncws)

### Browse by state

[Indiana (59)](/hub/watersystemviolationpulse/state/in) [Pennsylvania (48)](/hub/watersystemviolationpulse/state/pa) [Arizona (35)](/hub/watersystemviolationpulse/state/az) [Louisiana (30)](/hub/watersystemviolationpulse/state/la) [Michigan (28)](/hub/watersystemviolationpulse/state/mi) [Colorado (25)](/hub/watersystemviolationpulse/state/co) [North Carolina (23)](/hub/watersystemviolationpulse/state/nc) [Idaho (19)](/hub/watersystemviolationpulse/state/id) [Alaska (17)](/hub/watersystemviolationpulse/state/ak) [Connecticut (17)](/hub/watersystemviolationpulse/state/ct) [New Mexico (16)](/hub/watersystemviolationpulse/state/nm) [Illinois (13)](/hub/watersystemviolationpulse/state/il) [Montana (11)](/hub/watersystemviolationpulse/state/mt) [Missouri (10)](/hub/watersystemviolationpulse/state/mo) [New York (10)](/hub/watersystemviolationpulse/state/ny) [Ohio (10)](/hub/watersystemviolationpulse/state/oh) [Texas (10)](/hub/watersystemviolationpulse/state/tx) [Wisconsin (10)](/hub/watersystemviolationpulse/state/wi) [Washington (8)](/hub/watersystemviolationpulse/state/wa) [Vermont (7)](/hub/watersystemviolationpulse/state/vt) [Massachusetts (6)](/hub/watersystemviolationpulse/state/ma) [New Jersey (6)](/hub/watersystemviolationpulse/state/nj) [Oregon (6)](/hub/watersystemviolationpulse/state/or) [West Virginia (6)](/hub/watersystemviolationpulse/state/wv) [Utah (5)](/hub/watersystemviolationpulse/state/ut) [Wyoming (4)](/hub/watersystemviolationpulse/state/wy) [Minnesota (3)](/hub/watersystemviolationpulse/state/mn) [New Hampshire (3)](/hub/watersystemviolationpulse/state/nh) [Oklahoma (3)](/hub/watersystemviolationpulse/state/ok) [Virginia (3)](/hub/watersystemviolationpulse/state/va)

### Browse by minimum population served

[500+ (7)](/hub/watersystemviolationpulse/min_population/500)

## All 459 record reports

[1](/hub/watersystemviolationpulse/records) [2](/hub/watersystemviolationpulse/records/2) [3](/hub/watersystemviolationpulse/records/3)