JUNCTION CITY STP
NPDES ID: OR0026565
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 8 effluent violations.
Violations
April 30, 2026
BOD, 5-day, 20 deg. C
39% over limit
Discharged 126.21199894 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
98% over limit
Discharged 297.3699975 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
488% over limit
Discharged 9.4 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
99% over limit
Discharged 605.18199492 kg/d against a permitted limit of 304.17999744 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
25% over limit
Discharged 170.04569857 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
69% over limit
Discharged 382.95807678 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
30% over limit
Discharged 236.07999802 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
267% over limit
Discharged 11 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
53% over limit
Discharged 228.81599808 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
127% over limit
Discharged 309.1422174 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 450.82199621 kg/d against a permitted limit of 304.17999744 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
262% over limit
Discharged 328.69599724 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
244% over limit
Discharged 5.5 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
133% over limit
Discharged 7 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
172% over limit
Discharged 493.04399586 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
233% over limit
Discharged 10 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
463% over limit
Discharged 9 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
8% over limit
Discharged 98.06399918 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
43% over limit
Discharged 214.2879982 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
31% over limit
Discharged 399.97399664 kg/d against a permitted limit of 304.17999744 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
669% over limit
Discharged 12.3 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
367% over limit
Discharged 14 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 6.80999994 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 104.41999912 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
700% over limit
Discharged 12.8 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 9.53399992 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 80 mg/L against a permitted limit of 80 mg/L (WKLY AVG)
DMR, Limited - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 11.7 deg C against a permitted limit of 0 deg C (MX 7D AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 27 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 2.3 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
400% over limit
Discharged 15 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
13% over limit
Discharged 257.41799784 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
13% over limit
Discharged 257.41799784 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, 5-day, 20 deg. C
0% over limit
Discharged 28 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 12.6 deg C against a permitted limit of 0 deg C (MX 7D AV)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
419% over limit
Discharged 8.3 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
233% over limit
Discharged 10 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 10.89599991 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
4% over limit
Discharged 141.19399881 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
4% over limit
Discharged 141.19399881 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 26 mg/L against a permitted limit of 80 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 124.84999895 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 85 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 4.53999996 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 1.21 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
April 30, 2025
BOD, 5-day, 20 deg. C
0% over limit
Discharged 43 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
437% over limit
Discharged 1218.98998976 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
437% over limit
Discharged 1218.98998976 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
270% over limit
Discharged 11.1 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
225% over limit
Discharged 5.2 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
408% over limit
Discharged 691.89599419 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
408% over limit
Discharged 691.89599419 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
27% over limit
Discharged 81 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 19.20419984 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
368% over limit
Discharged 424.48999643 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
15% over limit
Discharged 92 mg/L against a permitted limit of 80 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
15% over limit
Discharged 92 mg/L against a permitted limit of 80 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
281% over limit
Discharged 691.89599419 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 5.03939996 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 18.4 deg C against a permitted limit of 0 deg C (MX 7D AV)
DMR, Monitor Only - Overdue
Solids, total suspended
301% over limit
Discharged 1218.98998976 kg/d against a permitted limit of 304.17999744 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
192% over limit
Discharged 436.74799633 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 4.25 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
March 31, 2025
Solids, total suspended
0% over limit
Discharged 28 mg/L against a permitted limit of 80 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 14.39179988 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
Solids, total suspended
24% over limit
Discharged 281.93399763 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
24% over limit
Discharged 281.93399763 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
95% over limit
Discharged 177.05999851 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Temperature, water deg. centigrade
0% over limit
Discharged 13.9 deg C against a permitted limit of 0 deg C (MX 7D AV)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
206% over limit
Discharged 4.9 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
108% over limit
Discharged 282.84199762 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
108% over limit
Discharged 282.84199762 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
56% over limit
Discharged 282.84199762 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 192.49599838 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 3.4 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 28 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
140% over limit
Discharged 7.2 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
95% over limit
Discharged 176.60599852 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
21% over limit
Discharged 220.18999815 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 6.80999994 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
62% over limit
Discharged 220.18999815 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
62% over limit
Discharged 220.18999815 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 146.18799877 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 4.35839996 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 10.5 deg C against a permitted limit of 0 deg C (MX 7D AV)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
225% over limit
Discharged 5.2 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
0% over limit
Discharged 30 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 2.11 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
220% over limit
Discharged 9.6 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 2.14741998 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 21 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
62% over limit
Discharged 368.19399691 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
62% over limit
Discharged 368.19399691 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
22% over limit
Discharged 221.09799814 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
67% over limit
Discharged 5 mg/L against a permitted limit of 3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 19.6 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
62% over limit
Discharged 221.09799814 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
62% over limit
Discharged 221.09799814 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Temperature, water deg. centigrade
0% over limit
Discharged 8.86 deg C against a permitted limit of 0 deg C (MX 7D AV)
DMR, Monitor Only - Overdue
Solids, total suspended
21% over limit
Discharged 368.19399691 kg/d against a permitted limit of 304.17999744 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 2.78 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
144% over limit
Discharged 3.9 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 8.89839993 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 35 mg/L against a permitted limit of 80 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
52% over limit
Discharged 138.01599884 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
32% over limit
Discharged 197.94399834 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
88% over limit
Discharged 281.47999763 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
137% over limit
Discharged 215.19599819 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
22% over limit
Discharged 36.5 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
9% over limit
Discharged 330.51199722 kg/d against a permitted limit of 304.17999744 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
24% over limit
Discharged 281.33471764 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
55% over limit
Discharged 280.57199764 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 1.8 mg/L against a permitted limit of 1.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
58% over limit
Discharged 215.17783819 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
259% over limit
Discharged 814.92999315 kg/d against a permitted limit of 226.99999809 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
430% over limit
Discharged 722.31399393 kg/d against a permitted limit of 136.19999886 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
142% over limit
Discharged 109 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
298% over limit
Discharged 722.31399393 kg/d against a permitted limit of 181.59999847 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
104% over limit
Discharged 61.3 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
353% over limit
Discharged 410.86999655 kg/d against a permitted limit of 90.79999924 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
245% over limit
Discharged 516.19799566 kg/d against a permitted limit of 149.81999874 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
54% over limit
Discharged 123 mg/L against a permitted limit of 80 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
168% over limit
Discharged 814.92999315 kg/d against a permitted limit of 304.17999744 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
55% over limit
Discharged 77.7 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)