Clean Water Act discharge permit · NPDES CA0079189

VISALIA WCP, Visalia, CA: NPDES CA0079189 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
182Pollutants under a numeric limit
5Pollutants with an effluent exceedance

VISALIA WCP, held by VISALIA, CITY OF, holds NPDES permit CA0079189, which discharges to Mill Creek. EPA’s file records it issued September 21, 2006 and expiring September 21, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	VISALIA WCP
Permittee as filed	VISALIA, CITY OF
NPDES ID	CA0079189
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 21, 2006
Expiration date	September 21, 2011
Address	Visalia, CA 93277
Receiving water	MILL CREEK
Subwatershed	Mill Creek (HUC 180300071301)
Program components on file	POTW, Pretreatment
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	RCRA handler CAD980892418

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

186Pollutants on file
182Under a numeric limit
167With a violation of any kind
5With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 186 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Coliform, total general	2	67	62	August 31, 2014	99,999% over the limit
Oil and grease	4	7	4	February 28, 2011	230% over the limit
Pentachlorophenol	1	9	1	August 31, 2005	76% over the limit
pH	4	5	1	April 30, 1997
Boron, total [as B]	0	2	1	June 30, 1997	200% over the limit
Specific conductance	4	35	0
BOD, 5-day, 20 deg. C	7	10	0
Solids, total suspended	7	6	0
Phenol	1	5	0
Solids, settleable	4	4	0
Chloride [as Cl]	2	4	0
Lead, total [as Pb]	0	4	0
Nitrogen, nitrate total [as N]	4	3	0
Hardness, total [as CaCO3]	4	3	0
Flow, in conduit or thru treatment plant	4	3	0
Alkalinity, total [as CaCO3]	2	3	0
Bicarbonate ion- [as HCO3]	2	3	0
Carbonate ion- [as CO3]	2	3	0
Calcium, total [as Ca]	2	3	0
Magnesium, total recoverable	2	3	0
Sodium, total [as Na]	2	3	0
Potassium, total recoverable	2	3	0
Sulfate, total [as SO4]	2	3	0
Iron, total recoverable	2	3	0
Boron, total recoverable	2	3	0
Manganese, total recoverable	2	3	0
Phosphate, total, color method [as P]	2	3	0
% Survival Flow Through 96Hr Acute Pimephales promelas	4	2	0
Aluminum, total recoverable	3	2	0
Nitrogen, total [as N]	2	2	0
Solids, suspended percent removal	1	2	0
Chlorine, total residual	4	1	0
Temperature, water deg. centigrade	1	1	0
Cyanide, total [as CN]	1	1	0
Thallium, total recoverable	1	1	0
Beryllium, total recoverable [as Be]	1	1	0
Chromium, hexavalent [as Cr]	1	1	0
Chromium, trivalent [as Cr]	1	1	0
Antimony, total recoverable	1	1	0
2-Methyl-4,6-dinitrophenol	1	1	0
1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin	1	1	0
1,2,3,7,8-Pentachlorodibenzo-p-dioxin	1	1	0
1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin	1	1	0
1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin	1	1	0
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin	1	1	0
1,2,3,7,8-Pentachlorodibenzofuran	1	1	0
2,3,4,7,8-Pentachlorodibenzofuran	1	1	0
1,2,3,4,7,8-Hexachlorodibenzofuran	1	1	0
1,2,3,6,7,8-Hexachlorodibenzofuran	1	1	0
1,2,3,7,8,9-Hexachlorodibenzofuran	1	1	0
2,3,4,6,7,8-Hexachlorodibenzofuran	1	1	0
1,2,3,4,6,7,8-Heptachlorodibenzofuran	1	1	0
1,2,3,4,7,8,9-Heptachlorodibenzofuran	1	1	0
1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin	1	1	0
Dichlorobromomethane	1	1	0
Carbon tetrachloride	1	1	0
1,2-Dichloroethane	1	1	0
Bromoform	1	1	0
Dibromochloromethane	1	1	0
Chloroform	1	1	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES CA0079189.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers the NPDES discharge permit CA0079189 held by VISALIA, CITY OF for the VISALIA WCP facility in Visalia, CA, which discharges to Mill Creek within the Mill Creek (HUC 180300071301) subwatershed. The permit is classed as a Major Discharger and is administratively continued, with 182 listed in the register's count of the class and 5 pollutants under a numeric limit, of which 5 have an effluent exceedance. The permit's issue date is September 21, 2006 and its expiration date is September 21, 2011.