Passage Data · Check a report · Use it from your AI

China, City of

Sewage treatment plant, China, Texas. NPDES permit TX0071650, in force until Nov 22, 2028. Last 12 months: over a limit 63 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (18 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
38 values over a limit, 0 required values missing, 0 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 63 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, daily average10.8 mg/L≤ 10 mg/L8%
October 2025Chlorine, total residual, monthly maximum5.8 mg/L≤ 4 mg/L45%
October 2025Solids, total suspended, daily average30.6 mg/L≤ 15 mg/L104%
October 2025Solids, total suspended, single grab sample63 mg/L≤ 60 mg/L5%
November 2025Chlorine, total residual, monthly maximum4.1 mg/L≤ 4 mg/L3%
November 2025E. coli, colony forming units [CFU], single grab sample24200 CFU/100mL≤ 399 CFU/100mL5965%
November 2025Nitrogen, ammonia total [as N], daily average10.3 lb/d≤ 5.7 lb/d81%
November 2025Nitrogen, ammonia total [as N], daily average10.4 mg/L≤ 3 mg/L247%
November 2025Nitrogen, ammonia total [as N], single grab sample17.9 mg/L≤ 15 mg/L19%
November 2025Oxygen, dissolved [DO], monthly minimum2.2 mg/L≥ 5 mg/L56%
November 2025Solids, total suspended, daily average27.9 mg/L≤ 15 mg/L86%
December 2025Nitrogen, ammonia total [as N], daily average3.14 mg/L≤ 3 mg/L5%
December 2025Solids, total suspended, daily average23.6 mg/L≤ 15 mg/L57%
January 2026BOD, 5-day, 20 deg. C, daily average18.6 mg/L≤ 10 mg/L86%
January 2026BOD, 5-day, 20 deg. C, daily average39.5 lb/d≤ 19 lb/d108%
January 2026Chlorine, total residual, monthly maximum4.1 mg/L≤ 4 mg/L3%
January 2026Nitrogen, ammonia total [as N], daily average17.8 mg/L≤ 3 mg/L493%
January 2026Nitrogen, ammonia total [as N], daily average36.6 lb/d≤ 5.7 lb/d542%
January 2026Nitrogen, ammonia total [as N], single grab sample27 mg/L≤ 15 mg/L80%
January 2026Solids, total suspended, daily average43.8 mg/L≤ 15 mg/L192%
January 2026Solids, total suspended, daily average85.8 lb/d≤ 29 lb/d196%
January 2026Solids, total suspended, single grab sample68 mg/L≤ 60 mg/L13%
February 2026BOD, 5-day, 20 deg. C, daily average18.8 mg/L≤ 10 mg/L88%
February 2026Chlorine, total residual, monthly maximum6.6 mg/L≤ 4 mg/L65%
February 2026Nitrogen, ammonia total [as N], daily average11.8 mg/L≤ 3 mg/L293%
February 2026Nitrogen, ammonia total [as N], daily average9.84 lb/d≤ 5.7 lb/d73%
February 2026Nitrogen, ammonia total [as N], single grab sample26.1 mg/L≤ 15 mg/L74%
February 2026Oxygen, dissolved [DO], monthly minimum4.6 mg/L≥ 5 mg/L8%
February 2026Solids, total suspended, daily average32.1 lb/d≤ 29 lb/d11%
February 2026Solids, total suspended, daily average36.6 mg/L≤ 15 mg/L144%
February 2026Solids, total suspended, single grab sample63 mg/L≤ 60 mg/L5%
March 2026BOD, 5-day, 20 deg. C, daily average13.7 mg/L≤ 10 mg/L37%
March 2026Nitrogen, ammonia total [as N], daily average5.94 mg/L≤ 3 mg/L98%
March 2026Nitrogen, ammonia total [as N], single grab sample18.1 mg/L≤ 15 mg/L21%
March 2026Solids, total suspended, daily average33 mg/L≤ 15 mg/L120%
April 2026BOD, 5-day, 20 deg. C, daily average17.6 mg/L≤ 10 mg/L76%
April 2026Chlorine, total residual, monthly maximum4.8 mg/L≤ 4 mg/L20%
April 2026Nitrogen, ammonia total [as N], daily average7.68 mg/L≤ 3 mg/L156%
April 2026Nitrogen, ammonia total [as N], single grab sample15.3 mg/L≤ 15 mg/L2%
April 2026Solids, total suspended, daily average37.9 mg/L≤ 15 mg/L153%
April 2026Solids, total suspended, single grab sample61.2 mg/L≤ 60 mg/L2%
May 2026Chlorine, total residual, monthly minimum.5 mg/L≥ 1 mg/L50%
May 2026Nitrogen, ammonia total [as N], daily average5.92 mg/L≤ 3 mg/L97%
May 2026Solids, total suspended, daily average22.1 mg/L≤ 15 mg/L47%
June 2026Chlorine, total residual, monthly maximum4.7 mg/L≤ 4 mg/L18%
June 2026Nitrogen, ammonia total [as N], daily average12.5 mg/L≤ 3 mg/L317%
June 2026Nitrogen, ammonia total [as N], daily average14 lb/d≤ 5.7 lb/d146%
June 2026Nitrogen, ammonia total [as N], single grab sample25.8 mg/L≤ 15 mg/L72%
June 2026Solids, total suspended, daily average21.7 mg/L≤ 15 mg/L45%
June 2026Solids, total suspended, daily average58.8 lb/d≤ 29 lb/d103%
July 2026Chlorine, total residual, monthly maximum4.5 mg/L≤ 4 mg/L13%
July 2026Nitrogen, ammonia total [as N], daily average20.4 mg/L≤ 3 mg/L580%
July 2026Nitrogen, ammonia total [as N], daily average9.34 lb/d≤ 5.7 lb/d64%
July 2026Nitrogen, ammonia total [as N], single grab sample33.9 mg/L≤ 15 mg/L126%
August 2026Chlorine, total residual, monthly maximum4.6 mg/L≤ 4 mg/L15%
August 2026E. coli, colony forming units [CFU], single grab sample2420 CFU/100mL≤ 399 CFU/100mL507%
August 2026Nitrogen, ammonia total [as N], daily average11.2 lb/d≤ 5.7 lb/d96%
August 2026Nitrogen, ammonia total [as N], daily average26.5 mg/L≤ 3 mg/L783%
August 2026Nitrogen, ammonia total [as N], single grab sample29.9 mg/L≤ 15 mg/L99%
September 2026Nitrogen, ammonia total [as N], daily average10.1 lb/d≤ 5.7 lb/d77%
September 2026Nitrogen, ammonia total [as N], daily average25.8 mg/L≤ 3 mg/L760%
September 2026Nitrogen, ammonia total [as N], single grab sample38.2 mg/L≤ 15 mg/L155%
September 2026Solids, total suspended, daily average26.1 mg/L≤ 15 mg/L74%

Limits in force (21)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Csingle grab sample≤ 35 mg/Lall year
BOD, 5-day, 20 deg. Cdaily average≤ 19 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 15 mg/Lall year
Solids, total suspendedsingle grab sample≤ 60 mg/Lall year
Solids, total suspendeddaily average≤ 29 lb/dall year
Nitrogen, ammonia total [as N]daily averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]single grab samplereport only (mg/L)all year
Nitrogen, ammonia total [as N]single grab sample≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]daily average≤ 5.7 lb/dall year
Flow, in conduit or thru treatment plantdaily average≤ .228 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly minimum≥ 1 mg/Lall year
Chlorine, total residualmonthly maximum≤ 4 mg/Lall year
E. coli, colony forming units [CFU]daily average≤ 126 CFU/100mLall year
E. coli, colony forming units [CFU]single grab sample≤ 399 CFU/100mLall year

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0071650 · MCP: https://passage-data.com/mcp