ࡱ> hjg#` 9bjbj\.\. 0h>D>D0NX,,,8d4.2(>"```sss.......$/h-28.H osH H 8.``M."""H p8``."H .""*,` `(U, pZ,$-4c.0.~,H2(!T2H,2,s9D"}sss8.8.|"psss.H H H H $,, REGIONAL WATER QUALITY CONTROL BOARD NORTH COAST REGION REPORT OF LEVEL B INSPECTION FOR HUMANE SOCIETY OF SONOMA COUNTY (WDID 1B01078RSON) on February 16, 2007 SITE Humane Society of Sonoma County 5345 Sebastopol Road, Santa Rosa P.O. Box 1296, Santa Rosa, CA 95402 CONTACT Don Malone, Director of Operations (707) 542-0746 (ext. 217) INSPECTOR Charles Reed, WRCE (707) 576-2752 BACKGROUND AND RECENT SITE HISTORY The Humane Society of Sonoma County is the subject of Waste Discharge Requirements Order No. R1-2003-0068, which regulates the discharge of domestic and commercial wastewater from animal handling operations to two separate onsite mound disposal systems. The wastewater treatment and disposal facility is designed to treat a peak wastewater flow of 2.423 gallons per day (gpd), but the file record indicates that the actual daily flow is less than 800 gpd (through June 2005). Groundwater studies completed during permit development revealed the presence of a high seasonal water table in the disposal area. At peak design flows, the separation from the anticipated highest groundwater level is calculated to be approximately 18 inches, which does not meet the minimum separation of 24 inches required by the Basin Plan. Because of the high design flow, commercial nature of the facility and seasonal high groundwater, the facility is designated as a threat to water quality/ complexity, 2B. This is the first inspection of the facility since adoption of waste discharge requirements on June 26, 2003. Compliance with self-monitoring requirements for the Humane Society is overseen by Arnolds Excavating, a private company located at 395 Sprauer Road in Petaluma. The Discharger is required to conduct monthly monitoring effluent quality from the aerobic treatment unit in January, February and March of each year. Groundwater monitoring in the vicinity of the mound systems is required quarterly, except in January, February and March when monitoring is required monthly. Visual inspections of ground surface conditions are required at least monthly to confirm the absence of odors, surfacing effluent, or other obvious signs of malfunction of the septic system. The file record for the facility shows that the Regional Water Board has received quarterly monitoring reports through the 2nd Quarter of 2005, and an annual report for 2004. No subsequent quarterly or annual monitoring reports have been submitted to the Regional Water Board. Monitoring reports previously submitted for 2004 and 2005 are incomplete, lacking information necessary to determine permit compliance. My review of available groundwater monitoring data from the deep wells (8-feet deep) indicates levels of nitrate and fecal coliform bacteria in some samples exceeding the groundwater standard of 10 mg/l as N for nitrate and the coliform standard of less than 1.1 MPN/ 100 ml. INSPECTION TIME AND CONDITIONS The weather at the time of inspection was clear and warm. The inspection began at 9:00 AM and concluded at approximately 10:30 AM. I was provided a tour of the facility by Alice Bunting, an adoption counselor at the facility. We were joined at about 10:00 by Don Malone, Director of Operations, who showed me the pump meters for the FAST pretreatment system. During the inspection Scott Anderson, Executive Director of the Humane Society of Sonoma County, introduced himself to me. INSPECTION FIELD NOTES Staffing Staff indicated to me that the Humane Society has approximately 50 employees, with 10-20 on duty at any time. This level is consistent with the project proposal. Domestic Waste Mound System Mound looked to have been recently disturbed. Straw had been spread over bare soil on one side of the mound. (Photo 1) I asked Ms. Bunting if she knew why the straw was there. She did not know. Mr. Malone said later that the Army Corps of Engineers had been on site with a large truck that inadvertently ran over part of the mound system, damaging part of the dispersal piping. The mound was subsequently repaired. The straw was used for erosion control until the mound becomes revegetated. I opened the covers of the groundwater monitoring well boxes located on the top of the domestic mound. The south box contained a salamander that may be a California Tiger Salamander, Ambystoma californiense. (Photo 2) Animal Waste Mound System I conducted a visual inspection of the larger animal waste mound. (Photo 3) There were no odors evident or obvious signs of operational problems. Play Area An outside animal play area is located to the North of the main facility. Tools used in the area are set in a bucket of KennelSol to be disinfected. A stormwater drop inlet is located downgradient from area, but does appear to be in a location that would receive runoff from the play area. (Photo 4) Outside Kennels I inspected an outside kennel area to the West of the main facility. (Photo 5) The ground surface is concrete and appears to slope gently to the South toward a vegetated area connected to the storm water drainage system. (Photo 6) The kennel area appeared clean and dry at the time of the inspection. Socialization rooms (Photos 7-11) Dogs are placed in kennels and moved to rooms for socialization, where they remain in their kennels. Room is disinfected with KennelSol diluted with water before dogs are brought in. Rinse water is directed to a floor drain where it enters the wastewater treatment and disposal system. A ShopVac is used to collect water for other dog rooms not connected to socialization room (and not having floor drains). This water presumably is discharged to the septic system. Cat rooms are disinfected with KennelSol in spray bottle and allowed to air dry or are dried with towels (i.e., no water rinse). Kitchens The facility operates two kitchens with dishwashers/garbage disposals. A third kitchen is used only for special events. Dishwasher use was estimated at 1-2 loads per day. Another estimate was 2-4 hours per day. Laundry Laundry services are available and operated daily from 8-4. Ms. Bunting estimated that the facility washed 7-10 loads per day for toweling, mostly. Detergent used is Ecos. Bleach may also be added in unknown amounts for whitening. Ecos is purported to be septic system safe. It has a built-in soy based fabric softener and cellulose based optical brightener. ( HYPERLINK "http://ecos.com" http://ecos.com) Grooming Service Animal bathing occurs 5 days per week from 9-3 pm. This equates to 8-11 dogs per day. Shampoos appear to be environmentally safe. Flea and tick treatment is done on rare occasion using a product containing pyrethrins highly diluted in water. Veterinary Hospital Hospital staff indicated that there is minimal discharge of waste water to the sinks. Animal fluids during surgeries are absorbing in towels and disposed as solid waste. Pharmacy Pharmacy has one sink. According to the pharmacist, no expired drugs or other potentially-toxic chemicals go down it. Sink is used for hand washing only. Disinfection of Surfaces Much of the cleaning activities involve disinfecting surfaces that animals come into contact with. The disinfectants used are KennelSol, bleach and Trifectant. KennelSol is the primary disinfectant used daily for disinfecting kennels, animal areas, and equipment. Diluted bleach solutions (diluted from 1:10 up to 1:32 with water) are used when there is a communicable disease outbreak (estimated use: no more than once/year). Trifectant (active ingredient: peroxymonosulfate) is used as a disinfectant for serious outbreaks (estimated use: no more than once/year). INSPECTION OF RECORDS I glanced through a binder containing Material Safety Data Sheets. I recommended to Ms. Bunting that the folder include an index of chemicals for quick reference. I asked Mr. Malone if I could review the facilitys Manure Management Plan. He said that he was not aware that the facility had developed one. I informed him that the Sonoma County use permit requires the Humane Society to develop and implement a Manure Management Plan, but that this Plan was not a requirement of the permit. I briefly reviewed the Operation Procedures Manual. There is a Manual for cats and one for dogs. Copies of the Manuals are available to facility staff. I requested that Mr. Malone send me copies of procedures via email for a more thorough review. I asked Mr. Malone if new employees were provided training on operating procedures. He said that they were. SAMPLES No samples were collected during this inspection. COMPLIANCE CONCERNS The Discharger has failed to submit quarterly monitoring reports since the 2nd quarter of 2005 and annual reports since the 2004 report. Mr. Malone indicated that he knew that Arnolds Excavating is routinely on site to collect monitoring data. Therefore, it is possible that, as a result of a misunderstanding, current monitoring reports are being to the Sonoma County PRMD and not to the Regional Water Board. Missing reports have been automatically entered in the State Water Boards California Integrated Water Quality System (CIWQS) as potential violations for late reports. I will contact the Discharger and request that delinquent monitoring reports be submitted. The Discharge has failed to complete all sampling requirements and clearly demonstrate compliance with permit conditions and prohibitions. As stated in Footnote 1, I will pursue this with the discharge in future correspondence. Incomplete reports will be entered into CIWQS as violations. Monitoring data indicate that nitrate concentrations in some wells exceed 10 mg/l and concentrations of fecal coliform bacteria in some wells exceed the groundwater objective. Septic System designer, Barry Ruderman, R.E.H.S., had indicated in a letter received April 8, 2005, that after initial problems achieving anticipated nitrate and bacteria reductions, the system had begun to perform as designed. I am unable to confirm this claim because submittals of quarterly monitoring reports ceased shortly after this letter. Future monitoring reports will be reviewed and evaluated to assess compliance with groundwater objectives and other permit requirements and prohibitions. Self monitoring reports are being signed by Alicia Adams of Arnolds Excavating. However, Standard Provision 8 of the Permit requires that all reports to the Regional Water Board must be signed by a responsible corporate officer or a duly authorized representative. The signature must also be accompanied by the certification statement in Standard Provision 8.c. Failure to provide reported signed by authorized corporate officer or representative is a violation for each report submitted. Groundwater mounding analysis for septic system design was based on no more than 7 gpd for animal bathing or 1-2 baths per month. Routine bathing of animals was not accounted for in calculating the wastewater generation rate for this facility. This is not a permit violation to the extent that the additional wastewater flow from grooming activities does not adversely impact the operation of the septic system. The additional flow may not be a problem at this time since the facility appears to be discharging wastewater well at below the anticipated flow rates. It is not clear whether the use of KennelSol and Trifectant is compatible with a discharge to the septic system and their impact on the operation of the aerobic pretreatment unit and the septic tanks is not known. These products are highly effective biocides and their active ingredients are toxic. However, when used, the products are highly diluted. If the nitrogen removal by the FAST system is consistently not meeting design criteria, then the disinfectants may be affecting the biological community in the FAST units and in the septic tanks and use of these disinfectants should be reevaluated. Discharges of KennelSol and rinse water from the outside kennels to the storm water system, if they occur, are a potential water quality problem. I will advise Mr. Malone that rinse water containing this product or other disinfectants should not be allowed to discharge to the storm water drainage adjacent to the kennels. Signed _______________ Date _____________  Incomplete reporting will be addressed in a separate letter to the Discharger.  Pyrethrins are natural extracts made from flowers of chrysanthemum plants. Pyrethrins are one of the most widely used insecticides in flea and tick products, which act on the insects' central nervous system and are considered to be relatively safe.     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